He seldom stays up late at night, necessary, ...

He seldom stays up late at night, 　　　 necessary, to keep himself full of energy the next day.

A. if　 B. unless C. since D. though

九年级英语单项填空中等难度题查看答案及解析

He seldom stays up late at night, ______ necessary, to keep himself full of energy the next day.

A. if　　 B. unless　　 C. until　　 D. while

九年级英语单选题中等难度题查看答案及解析

He seldom stays up late at night, ______ necessary, to keep himself full of energy the next day.

A.if B.unless C.until D.while

九年级英语单选题中等难度题查看答案及解析

He seldom stays up late at night, _______ he has too much work to do.

A. if　　　　　　　　 B. unless　　　　　 C. until　　　　　　 D. while

九年级英语单项填空中等难度题查看答案及解析

—　 It's so late at night, son. For your health, avoid staying up too late________ necessary.

— I know that. But I have to hand in my history project tomorrow morning.

A.when B.although C.unless D.if

九年级英语单选题简单题查看答案及解析

Mike is a hard-working student. He often stays up late _______ night.

A. of　　 B. at　　 C. on　　 D. to

九年级英语单选题简单题查看答案及解析

一Jim looks sleepy in class.　 What's wrong with him?

一He stayed up late last night. He 　　　　 a composition from 7 o'clock to midnight.

A. wrote B. writes

C. has written D. was writing

九年级英语单选题中等难度题查看答案及解析

Sometimes I find it necessary to ______ at night because of too much homework.

A. take up　 B. stay up　 C. get up　 D. look up

九年级英语单项填空中等难度题查看答案及解析

---He never stays up late at night, _____ he?

---_________. He usually does his homework till midnight.

A. doesn’t, Yes　　 B. does, Yes

C. doesn’t, No　　 D. does, No

九年级英语单项填空中等难度题查看答案及解析

---He never stays up late at night, _____ he?

---_________. He usually does his homework till midnight.

A. doesn’t, Yes　 B. does, Yes

C. doesn’t, No D. does, No

九年级英语单项填空中等难度题查看答案及解析