问题
选择题
The robot needs _____. You'd better _____. [ ]
A. repaired; have it repair
B. to be repaired; have it repaired
C. repairing; have it to repair
D. to be repaired; have it repairing
答案
答案:B
The robot needs _____. You'd better _____. [ ]
A. repaired; have it repair
B. to be repaired; have it repaired
C. repairing; have it to repair
D. to be repaired; have it repairing
答案:B