—What are you looking for?
—I’m looking for the watch _______ I bought yesterday.
A．which B．who C．whose
—Which season do you like _______, summer or winter?
— Summer.
A．well B．best C．better
—It’s too late. I have to go now.
—Oh, it’s raining outside. Don’t leave _______it stops.
A．since B．until C．while
When Jim’s mother came in, he _______ his homework.
A．is doing B．has done C．was doing
______ clever the boy is!
A．How B．What C．What a
—________I have lunch now, Mom?
—No. You must wash your hands first.
A．Would B．May C．Ought to
