.I just wonder _____ that makes him so excited.
| A．why it is | B．what it is | C．why is it | D．what is it |
"Please __________why you're so late," said his girlfriend.
| A．excuse | B．explain | C．apologize | D．tell |
I'm sorry. I _____________ you__________ to me.
| A．don't know; are speaking |
| B．don't know ;were speaking |
| C．didn't know; were speaking |
| D．didn't know; are speaking |
The British are not so familiar with different cultures and other ways of doing things, ___________ is often the case in other countries
| A．as | B．that | C．so | D．it |
I would have come to see you earlier, but I__________too busy.
| A．had been | B．were | C．was | D．would be |
With summer coming on, the weather gets hot _________.
| A．day after day | B．day and night |
| C．day in and day out | D．day by day |