Do you know if /whether Cathy goes to school early? 注意:只能用whether而不用if的三种情况如下: ①与or not连用:They asked us whether or not we were coming. ②在介词之后:It de...
——Sure, I’d love to. / Sorry, I can’t. I have to prepare for an exam.当然,我愿意去。/抱歉,我去不了。我必须要为考试做准备。 2. I’m not available. = I’m not free. 我没空。 3. I’m sad to see her go, and this party is the best way to say “Thank...
解析:考核冠词。我出生的村庄是由定语从句修饰,所以特指,应该用定冠词。空二没特指,所以用不定冠词。答案选择A。 20.___ the difficult math problem, I have consulted Professor Russell several times. A. working out B. worked out C. To work out D. Work out ...
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