675.We should really avoid _____ at home alone as they are old.
A.the elderly to say
B.the elderly staying
C.elderly staying
D.the elderly stay
676.The exam to test the students’ability of memory ______ at last,____ everybody’s face light up.
A.ended;making
B.ended;make
C.ending;made
D.ending;making
675.答案是B;avoid sb.doing sth.避免某人干某事。
676.答案是A;第一空为谓语动词；第二空表示伴随。
