问题
选择题
Hearing that he would have to be given another injection, the boy _ a smile to cover up his fear.
A．wore
B．managed
C．strengthened
D．controlled
答案
答案：B
动词辨析。A佩戴，穿着；B设法；C加强；D控制；句意：听说他不得不再注射一针，那个男孩挤出了一个微笑来掩盖他的担心。