You’d better try different ways you can think of maths problems. It’s good for you to learn maths well.
| A．work out | B．to work out |
| C．working out | D．is working out |
—Don’t forget to ___________ your dictionary here tomorrow.—______________ .
| A．take ; No, I don’t | B．bring ; Sorry, I won’t |
| C．take ; sorry, I won’t | D．bring ; No, I don’t |
How much did the toys ___________ you?
| A．take | B．pay | C．spend | D．cost |
The boy ___________ go to bed _________ his mother came back.
| A．won’t ; until | B．didn’t ; until | C．will ; until | D．won’t ; before |
—You can’t smoke here . Look at the sign.—Sorry, I __________ it.
| A．am going to see | B．won’t see | C．don’t see | D．didn’t see |
—Can you help me with my homework , David ?—______________
| A．No problem. | B．You are welcome. | C．Thank you . | D．That’s right. |