April is ________ month of the year while Thursday is _______ day of the week．
| A．the four; the fifth | B．fourth; the five |
| C．the fourth; the fifth | D．fourth; fifth |
-- 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 |
---You bought the car ten years ago? ---Yes. ______ it’s old, it still runs well.
| A．Because | B．Since |
| C．Although | D．But |