--Can I have your name, sir?
--Err… Albert Johnson, if you _______ know.
| A．must | B．can | C．may | D．need |
相关试题
I don’t think Richard could have done such a stupid thing last night, ________?
A．do I |
B．could he | C．did he | D．has he |
Don’t ________ when he is telling the story．
| A．break up | B．break down | C．break off | D．break in |
David Beckham suffered a serious injury this weekend ________ playing for AC Milan, and it appears the soccer star will miss the World Cup．
| A．while | B．if | C．where | D．whether |
All her time _______ research, the scientist has no time for films．
| A．devoted to do | B．is devoted to doing | C．devoting to doing | D．devoted to doing |
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