________ you want to go out during a lecture, what should you do? A. As B. If C. Though D. When

John will pick me up ________. A. in case it rained B. if it rains C. provided that it would rain D. unless it rained

________ here, he would help us with these troubles. A. Were our father B. If our father had been C. Was our father D. Unless our father were

You will not be allowed to attend the club meeting ________ you are a member. A. unless B. if C. providing that D. supposed that

If she ________ me, tell her to leave a message. A. calls B. will call C. called D. would call

If you won the lottery, ________? A. what will you do B. what had you done C. what would you do D. what did you do

________ as much money as Bill Gates of Microsoft, I would retire. A. If I had B. If I have C. Unless I had D. If I had had

________ he arrives soon, we will have to start the conference without him. A. Suppose B. Provided C. Unless D. If

If the president ________ last night’s train, he here now. A. took / were B. were taking / is C. had taken / would have been D. had taken / would be

If we start the new project, we ________ more staff. A. will need B. need C. would need D. needed

If he ________ more time, he ________ decorating the baby’s room before she was born. A. has / will have finished B. had / would finish C. had had / would have finished D. had had / would finish

________ more carefully, he would not have had the accident yesterday.

If John ________ 10 years younger, he ________ for the Job. A. is / will apply B. was / has applied C. had been / will have applied D. were / would apply