The public _____ generous in their contributions to the earthquake victims. [
题型：专项题难度：来源：
| The public _____ generous in their contributions to the earthquake victims. |
| [ ] |
a. is
b. was
c. are
d. has been |
答案
| c |
举一反三
| Cattle _____ on the hillside. |
| [ ] |
a. grazes
b. is grazing
c. was grazing
d. were grazing |
| Her politics _____ neither conservative nor liberal. |
| [ ] |
a. is
b. are
c. was
d. has been |
| Measles _____ a kind of infectious illness. |
| [ ] |
a. is
b. are
c. were
d. have been |
| Mary is one of the girls who _____ always on time. |
| [ ] |
a. is
b. am
c. are
d. was |
| Wisky and soda _____ his favorite drink. |
| [ ] |
a. is
b. are
c. were
d. have been |
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