He often ________ his toys ________ and put them back together.
A. took, apart
B. takes , apart
C. took, away
D took, took
We are sure that our football players will do________ best.
| A．their | B．they |
| C．them | D．themselves |
Look! There are some________ on the floor.
| A．child | B．water | C．boxes | D．girl |
——Can you tell me why________?
——Because I want to help the people there.
| A．do you go to Tibet（西藏） | B．did you go to Tibet |
| C．are you going to Tibet | D．you are going to Tibet |
They went to the park yesterday, ________?
| A．don't they | B．didn't they |
| C．aren't they | D．can't they |
She________ know the answer, but I'm not sure.
| A．maybe | B．may be | C．may | D．must |