Sit down, Emma. You will only make yourself more tired, ____ on you feet. [
题型：同步题难度：来源：
| Sit down, Emma. You will only make yourself more tired, ____ on you feet. |
| [ ] |
A. to keep
B. keeping
C. having kept
D. to have kept |
答案
| B |
举一反三
Lots of rescue workers were working around the clock, ____ supplies to Yushu, Qinghai Province
after the earthquake. |
| [ ] |
A. sending
B. to send
C. having sent
D. to have sent |
| _____ the city center, we saw a stone statue of about 10 meters in height. |
| [ ] |
A. Approaching
B. Approached
C. To approach
D. To be approached |
| He had a wonderful childhood, _____ with his mother to all corners of the world. |
| [ ] |
A. travel
B. to travel
C. traveled
D. traveling |
In April, 2009, President Hu inspected the warships in Qingdao,____ the 60th anniversary of the
founding of the PLA Navy. |
| [ ] |
A. marking
B. marked
C. having marked
D. being marked |
| I happened to find the woman _____ her husband off at the airport. |
| [ ] |
A. see
B. to see
C. seeing
D. saw |
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