The zookeeper is worried because the number of visitors smaller and smaller
题型：同步题难度：来源：
| The zookeeper is worried because the number of visitors smaller and smaller. |
| [ ] |
A. become
B .became
C. is becoming
D. have become |
答案
| C |
举一反三
| It"s eight o"clock Henry _____ the phone. |
| [ ] |
A. talks on
B. talks in
C. is talking on
D. is talking in |
—What are you doing?
—I _____ a letter to my pen pal. |
| [ ] |
A. write
B. am writing
C. writes
D. am write |
| The twins are _____. They aren"t _____. |
| [ ] |
A. swim; run
B. swimming; run
C. swimming; running
D. swim; running" |
—Where"s Li Hua?
—Look ! He _____ tennis on the playground. |
| [ ] |
A. plays
B. played .
C. was playing
D. is playing |
—What"s your father doing now?
—He _____ the room. |
| [ ] |
A. cleaned
B. cleans
C. has cleaned
D. is cleaning |
最新试题
热门考点