—Has Sam finished his report?
—I have no idea. He _______ it in his office the whole morning.
| A．writes | B．has written |
| C．will write | D．was writing |
–I’m very sorry I broke your cup.
--________.
| A．You’d better not | B．It doesn’t matter |
| C．It’s too bad of you | D．Not at all |
_________ you were sleeping, Hack was practicing playing football.
| A．While | B．As | C．After | D．Since |
The born artist devoted all the time he had ______ for something better or different.
| A．search | B．searched | C．to search | D．to searching |
I’m not sure _______ red and white are a good match.
| A．weather | B．that | C．if | D．how |
–Can I give you a cup of tea?
--________.
| A．Yes, I’d love to | B．Yes, please |
| C．No, please | D．No problem |