______ the 2020 Olympic Games will be held in Tokyo is quite clear to the people all over theworld.
A. That
B. Whether
C. What
D. If
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Though ______ to see us, the professor gave us a warm welcome.
A. surprising
B. as surprised
C. surprised
D. being surprised
两个无穷小比较的结果是 ( )
A. 同阶
B. 高阶
C. 低阶
D. 不确定
Today, we will begin ______ we stopped yesterday so that no point will be left out.
A. when
B. where
C. how
D. what
Were it not for the fact that his father is general manager of the company, he ______ the job.
A. will never get
B. will never have got
C. would never get
D. would never have got
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