I admit that the problem is difficult, I don’t agree that it cannot be solved.

A. As long asB. When

C. AsD. While

　　　from the tenth floor when the policeman pointed his gun at him.

A. Jumped down the burglar

B. Down the burglar jumped

C. The burglar jumps down

D. Down jumped the burglar

He had a lot of friends, but none of　　　could lend him any money.

A. whomB. themC. whichD. who

　　　James was sleepy, he stayed up late to finish his project.

A. AsB. Since

C. UnlessD. Although

(2013·安庆模拟)That weekend, 　　　I have more to tell you about, I ended up with a happy hike.

A. thatB. which

C. whatD. when

(2013·武威模拟)I have learned from my bitter experience　　　we don’t know

we’ve got until it’s gone.

A. that; thatB. what; what

C. that; whatD. which; that

Having arrived at the destination, we were shown around　　　they had lived before.

A. whatB. that C. in which D. where

　　　it has turned out, there was no need to worry about their safety.

A. WhileB. As if

C. Now thatD. As

Not until he walked into the classroom　　　that he left his dictionary at home.

A. did he findB. had he found

C. he had foundD. he found

Failure is one thing; it counts to find out　　　your faults lie.

A. whatB. whichC. whereD. how