I was doing my homework while my parents __________ TV last night.
| A．watched | B．were watching | C．have watched | D．are watching |
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
The man makes a living _______ teaching.
A．without B．with C．by