The black horse is___________ of the pair.

A. the strongest　　　　　　　　　 B. the stronger

C. the strong　　　　　　　　　　 D. quite strong

When changing lanes, a driver should use his turning signal to let other drivers know _______.（ ）

A. he is entering which lane　　　　　　 B. which lane he is entering

C. is he entering which lane　　　　　　 D. which lane is he entering

The moment the 28th Olympic Games _______ open, the whole world cheered.
A. declared   B. have been declared  C. have declared      D. were declared

Look at the trouble we’re in. If only we _______ our teacher’ advice.（ ）

A. took　　　 B. would take　　　 C. would have taken　 D. had taken

—Tom, you didn’t come to the party last night?

　 —I ____, but I suddenly remembered I had homework to do.

A. had to B. didn’t　 C. was going to　 D. wouldn’t

It _____ we had stayed together for a couple of weeks ____ I found we had a lot in common.

A. was until; when　　　　　　　　　 B. was until; that

C. wasn’t until; when　　　　　　　　 D. wasn’t until; that

One of the requirements for a fire is that the material ____ to its burning temperature. 
A. is heated     B. will be heated     C. be heated     D. would be heated

_______ knows the truth will tell you about it , I think .

A. Who 　 　 B. No matter who　　 C. Whoever 　 D. B and C

When we finally arrived, a lady gave us a _______ introduction of the university.

A. clear　　　　　　 B. brief　　　　　　 C. main　　　　　　 D. abstract

After __________(毕业) from college, he went to work in the poor.