My brother has been teaching ________ he was 21 years old.
| A．when | B．if | C．for | D．since |
Which of the pictures below tells people not to drive after drinking?
A． |
B． |
C． |
D． |
—What do you think of noodles with beef ?
—They ____________delicious.
| A．smell | B．feel | C．taste | D．sound |
—Let’s go for a picnic next Sunday.
—Sorry, I can’t. I have to look ____________my pet parrot.
| A．after | B．at | C．for | D．like |
—What did your math teacher say ?
— She said I was ____________.
| A．work hard | B．working hardly | C．hard-working | D．hard work |
—Does your mother often surf the Internet ?
—Yes, ___________ she doesn’t buy any thing on line.
| A．but | B．or | C．and | D．so |