—How much the socks?
— __ twenty dollars.
| A．is; It’s | B．are; They’re | C．are; It’s | D．is; They’re |
You’d better choose this purple tee shirt to buy. It looks so good _________ you.
| A．in | B．on |
| C．for | D．with |
-- Is this Tom and Sam’s room?
-- No , it’s ours. _________ is on the fifth floor.
| A．He | B．His |
| C．They | D．Theirs |
The _________ of the building was so strong that it didn’t fall down in the terrible earthquake.
| A．design | B．feature |
| C．structure | D．programming |
--Do you think ________ ending of the story is surprising?
--No, not at all. I can guess it.
| A．a | B．an |
| C．the | D．不填 |
Most children are interested in amazing things, and they wonder ______.
| A．When can they see UFOs. |
| B．how can elephants walk on tiptoe |
| C．why do fish sleep with their eyes open |
| D．why there is no plant life without lightening |