题目内容
【题目】The hotline can be very busy, but _____ and you’ll get through.
A.keeping trying B.keep to trying
C. keep trying D.to keep to try
【答案】C
【解析】
试题分析:句意:热线可能会很忙,但是一直尝试,你会接通的。使用祈使句+and/or+简单句,keep doing一直做,所以选C。
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