I’m if there are UFOs.（飞碟）A. sure not B. not ...

I’m 　　　　　 if there are UFOs.（飞碟）

A. sure not　　 　　 B. not sure

C. not be sure　　 D. sure that

八年级英语单项填空中等难度题查看答案及解析

---How many teachers are there in your school?

---I’m not sure about it. Maybe________.

A. hundred    B. hundreds   C. hundreds of   D. one hundred

八年级英语单项填空困难题查看答案及解析

Many people are interested in UFOs and there are a lot of reports about them. One report of UFOs came from a British plane on its way from New York to London in 1954.The British plane was flying over an island at 19,000 feet when the captain(机长) noticed that something was on their left and a little lower(更低) than their plane. It was about five miles away.

“It was not one object but several ones.” the captain said, “We saw one large and six smaller objects. I sent out a radio report about them and I got some information that the other planes were coming out to meet us. Before the planes arrived, the smaller objects went into the big object. The big object then became smaller and moved away fast.”

1.A British plane flew to _______ in 1954.

A．Now York          B．London           C．Beijing            D．Sydney

2.There was something on the _______ of the plane.

A．above            B．middle            C．left              D．right

3.The captain saw _______ in the sky.

A．there was something higher than their plane

B．there was one large object and six smaller objects

C．the big object disappeared at once

D．all of above

4._______ would come to meet them.

A．The other planes                        B．The other captains

C．A UFO                                D．The radio

5.This passage is mainly about _______.

A．the radio                              B．a British plane

C．seven objects                          D．one report about UFOs

八年级英语阅读理解中等难度题查看答案及解析

We are not sure if it ______tomorrow. If it______, we won’t climb the South Hill.

A. will snow; snows　　　　 　 B. will snow; will snow

C. snows; snows　　　　　　　　 D. snows; will snow

八年级英语单项填空中等难度题查看答案及解析

We are not sure if it________ tomorrow. If it________， we won’t climb the South Hill.

A. will snow； snows

B. will snow； will snow

C. snows； snows　

D. snows； will snow　

八年级英语单项填空中等难度题查看答案及解析

－The Greens are not here. If you need help, you should __________.

－Sure.

八年级英语单项填空中等难度题查看答案及解析

—Are you sure you have to do this now? It's been very late.

—I don't know　　　　　 to do it if not now.

A. where　　 B. how　　 C. what　　 D. when

八年级英语单项填空中等难度题查看答案及解析

—Are you sure you have to do this now? It's been very late.

—I don't know　　　　　　 to do it if not now.

A.where　　　　 B.how　　　　 C.what　　　　 D.when

八年级英语单项填空中等难度题查看答案及解析

—Are Mr. Green and Mrs. Cooper driving to the factory?

—I’m not sure.　　　　　　 they will go there by taxi.

A.However B.Maybe C.Finally

八年级英语单选题中等难度题查看答案及解析

—When are you going to London?—___.I may go there next Tuesday or next Thursday.

A. I’m not sure for that B. I’m not sure about that

C. I hope so 　　　　　　　　 D. I don’t think so

八年级英语单项填空困难题查看答案及解析