I don’t know ____ or not he is right.
A. that B. what C. If D. whether
—How’s the weather tomorrow?
—I don’t know if it ____ tomorrow.
—Well, if it ____, I won’t go out with you.
A. will rain; will rain B. rains; rains
C. rains; will rain D. will rain; rains
We'll go on a field trip if it _____ this weekend.
A. won't rain B. isn't raining
C. doesn't rain D. rains
—I don't know much about computer.
—I don't know, ________. Let's go and ask for help.
A. also B. either C. too D. as well
You don't know the way. Why ______ the policeman for help?
A. don't ask B. no ask
C. not ask D. not to ask
－What’s in this big box ?
－I’m sure you will fall in love with the gift in the box as soon as you ________ it.
A. see B. will see C. saw D. sees
