-----Who ______ it be that hasn’t handed it in yesterday?
------It _______ be Bob. He handed it in yesterday.
| A．can; mustn’t | B．must; can | C．can; can’t | D．may; mustn’t |
The coastal area has a pleasant climate，with __________ temperatures from 24℃ to 26℃.
| A．ordinary |
| B．average |
| C．common |
| D．normal |
__________ in a long queue, we waited for the store to open to buy a New iPad.
| A．Standing |
| B．To stand |
| C．Stood |
| D．Stand |
The reason __________ he explained was __________ he was ill and unable to go to school.
| A．why ； that |
| B．why ； because |
| C．which ； because |
| D．which ； that |
I'm afraid he's more of a talker than a doer，which is __________ he never finishes anything.
| A．that |
| B．when |
| C．where |
| D．why |
Lucy was quite happy to lose sometimes，because that was __________ she would learn to win on really important occasions.
| A．how |
| B．why |
| C．that |
| D．what |