—I really don’t know how to thank you enough .
— .
| A．No problem | B．Think nothing of it |
| C．Not at all | D．It doesn’t matter |
You have made a few spelling mistakes, but _______ you have done well.
| A．above all | B．on the whole | C．by the way | D．at best |
He worked late last night, ______, early this morning.
| A．that is | B．even worse | C．or rather | D．namely |
He is seldom, ______, absent from school.
| A．if some | B．if any | C．if not | D．if ever |
He called, _______ said, “Thank you” to me.
| A．better than | B．rather than | C．more than | D．other than |
---- Could I borrow your bike?
---- I’m afraid you _______.
| A．can | B．can’t | C．could | D．couldn’t |