–Don’t you tell me that they have gone to Australia?
-Sure.But I don't know _________.
A.when they have come back
B.when have they come back
C.when did they come back
It is useful programme. It tells us how to play volleyball well.
| A．an; the | B．an; / | C．a; the | D．a; / |
John plays football ____, if not better than, David.
| A．as well | B．as well as | C．so well | D．so well as |
—did the cartoon book cost you?
—Five dollars.
| A．How long | B．How much | C．How many | D．How often |
—Does your grandfather take exercise every day?
—Yes. He always 30 minutes taking a walk after supper.
| A．spends | B．takes | C．costs | D．pays |
David has become a ________ young writer.
| A．succeed | B．success | C．successful | D．successfully |