If ________，I would have gone with him.
A. had he told me        B. he had told me        C. he has told me        D. he would tell me

 ________，he never seems able to do the work beautifully.
A. Try as he may        B. as he tries        C. Try as does he        D. As he does try

 ________ they heard the shout for help，they rushed out.
A. Immediately        B. The moment        C. The while        D. All the above

 Hardly had he arrived in Hongkong ________ she rang me up.
A. when        B. than        C. that        D. and

 --- Shall Brown come and play computer games?
--- No，________ he has finished his homework.
A. when        B. if        C. unless        D. once

 He got excited at the news，________ I was calm.
A. when        B. while        C. because        D. after

 You should make it a rule to leave things ________ you can find them again.
A. when        B. where        C. then        D. there

________he is, he will be thinking of you.
A. Wherever        B. Where        C. Now that        D. As soon as

 Why do you want to find a new job ________ you’ve got such a good one already?
A. that        B. where        C. which        D. when

 No matter ________ hard it may be，I’ll carry it out.
A. what        B. whatever        C. how        D. however