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外语
--I’d like to invite you to a concert this evening.--Thank you, but ______ I’ll be free I’m not sure at that moment.
--I’d like to invite you to a concert this evening.--Thank you, but ______ I’ll be free I’m not sure at that moment.
admin
2009-12-10
66
问题
--I’d like to invite you to a concert this evening.--Thank you, but ______ I’ll be free I’m not sure at that moment.
选项
A、while
B、if
C、when
D、whether
答案
D
解析
本句的正常语序为but I’m not sure whether I’ll be free at that moment.意为“我不能确定到时是否有空。”whether和if都能引导宾语从句,跟在作表语的形容词后作宾语,但if作“是否”解时一般不能用于句首。
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本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
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公共英语二级笔试
公共英语(PETS)
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