I don’t have to introduce him to you __ you know the boy.
A. until B unless C. since D but
相关试题
If Tom ________ the game, we'll give him a surprise.
| A．win | B．wins | C．won | D．winning |
________wonderful news report he wrote! All of us were proud of him.
| A．What a | B．What | C．How | D．How a |
—The twins are good at singing.
—Yes, but I don’t think Lily sings as _________ as Jane.
| A．good | B．well | C．better | D．best |
You don't have to worry about me. I'm old enough tomyself.
| A．look after | B．look for | C．look up | D．look at |
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