As we’re students，we________obey the school rules．
| A．can |
| B．may |
| C．must |
| D．could |
I will give the message to him __________he comes back.
| A．before | B．since | C．as soon as | D．until |
We won’t go to the Great Wall if it ___________ the day after tomorrow.
| A．won’t rain | B．is raining | C．rains | D．doesn’t rain |
---What do you think Sam ________ in 10 years?
---A doctor.
| A．will be | B．is | C．wants | D．is being |
Does he often _____ with your brother?
| A．played | B．plays | C．to play | D．play |
They _______ to see me tomorrow evening.
| A．come | B．comes | C．are coming | D．came |