It is uncertain ____ side effect the medicine will bring about, although about
题型：同步题难度：来源：
It is uncertain ____ side effect the medicine will bring about, although about two thousand
patients have taken it. |
| [ ] |
A. that
B. what
C. how
D. whether |
答案
| B |
举一反三
It has been proved _____ eating vegetables in childhood helps to protect you against serious illnesses in
latter life. |
| [ ] |
A. if
B. because
C. when
D. that |
| _____ was most important to her, she told me, was her family. |
| [ ] |
A. It
B. This
C. What
D. As |
_____ made the school proud was ____ over 90% of the students had been admitted to key
universities. |
| [ ] |
A. What; because
B. What; that
C. That; what
D. That; because |
| ____ we"ll go travelling on May Day depends on the weather. |
A. If
B. What
C. Whether
D. Where |
| _____ we call a machine is really a kind of tool that can do work for man. |
A. When
B. That
C. What
D. Which |
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