—What about _____ an English song?
—Good idea.[ ]
A. sing
B. to sing
C. singing
D. sings
答案:C
蔗梢
下列不会导致失眠的是()。
A.痰湿内盛
B.食积胃脘
C.阴虚火旺
D.痰火扰心
E.心胆气虚