The girl devoted all her free time she had __ others.
| A．to help | B．to helping | C．helped | D．Help |
相关试题
—Alice, you look puzzled．Haven’t you understood it?
—Yes．I _____of another problem just now．
| A．had thought | B．have thought | C．thought | D．was thinking |
By looking at a problem in as many ways as possible, creative thinkers can find solutions that would _______ remain invisible．
| A．otherwise | B．yet | C．already | D．fo rever |
—What do you think of the performance today?
—Great! but a musical genius could perform so successfully.
| A．All | B．None | C．Anybody | D．Everybody |
Get out of here at once. _________ not, I’ll phone the police.
| A．Since | B．If | C．Why | D．When |
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