.Let’s ______ the children into 4 groups. Each group will have a ______ room to sleep in.
| A．separate; divide | B．cut; separate | C．divide; separate | D．divide; divide |
The boys enjoy playing basketball __________ many of the girls relax by playing ping-pong.
| A．while | B．or | C．since | D．if |
The teacher asked the students to do the experiment __________ small groups.
| A．to | B．for | C．on | D．in |
The website is very popular. And it’s amazing that __________ designer of it is just __________ nine-year-old child.
| A．the; the | B．a; the | C．the; a | D．a; a |
I think_____ impresses me about his painting is the colors he uses.
| A．who | B．that | C．which | D．what |
I don’t really like the author _____ I have to admit his books are very exciting.
| A．until | B．unless | C．although | D．once |