A. started B. was starting

C. would start D. had started

【题目】The man could do nothing but _________.
A.wait
B.to wait
C.waiting
D.waited

A. has ruined B. had ruined

C. has been ruined D. had been ruined

【题目】If you have a job, _____ yourself to it and finally you'll succeed.
A.do devote
B.don't you devote
C.devoting
D.not to devote

【题目】The only one in our office that is familiar with the new system is Jimmy, in _____ absence, we had no choice but to wait.
A.whom
B.whose
C.who
D.that

【题目】The national parks are very important for the protection of these wild animals, which would _____ run the risk of becoming dying out.
A.therefore
B.instead
C.otherwise
D.anyhow

—I’m terribly sorry，but I online with my brother in America.

A. am chatting B. was chatting

C. chatted D. have been chatting

【题目】We all know that _____ carefully dealt with, the situation will get worse.
A.once
B.when
C.if
D.unless

—No，but we .It wasn’t shown at all.

A. needn’t have B. couldn’t have

C. didn’t need to D. shouldn’t have

【题目】- You look rather tired today.
- _____ not to miss the 4: 20 flight, I didn't dare to close my eyes.
A.Having reminded
B.Reminded
C.Being reminded
D.Reminding