问题补充:
They had planned to go for a picnic, but because of the rain they had to stay home.
A. instead
B. really
C. however
D. though
答案:
(答案→)A. instead
B. really
C. however
D. though
解析:词义辨析。 A.代替;反而 B.实际上;事实上 C. 无论如何 D. 虽然;尽管。句意:他们计划去野餐,但是因为这场雨他们反而不得不呆在家。故选A。