After you finish the exercises, you’d better have your answers ___________.
| A．checking | B．checked | C．to check | D．check |
—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
—Does she like singing English songs?
—Yes. She _______ to sing English songs in her room.
A．often does B．is often heard C．often hears