It was a very long day for Jack. He didn’t get home from
school ____ six o’clock.
| A．since | B．to | C．by | D．until |
--I hear Jack Chan will come to Laiwu next week.
--Really? _______ he comes, my younger sister will be very happy,
| A．If | B．Until | C．Unless | D．Before |
--Alice, please tell Eric to call me when he _____ back.
--No problem.
| A．come | B．comes | C．came | D．will come |
There are ________ people in the supermarket. It’s so crowded.
| A．hundred | B．hundreds | C．hundred of | D．hundreds of |
Most of the young people enjoy ______ Jay Chou’s songs.
| A．sing | B．sang | C．singing | D．to sing |
—My father has decided to ______ smoking.
--That’s good news for us.
| A．give up | B．give out | C．give in | D．give to |