词汇选项
Spending time on sunbeds is just as dangerous as _______ out too long in the sun.
A.stay
B.stayed
C.staying
D.to stay
【正确答案】C
【答案解析】这里的staying 与前面的spending并列，所以要用相同的形式。
词汇选项
Spending time on sunbeds is just as dangerous as _______ out too long in the sun.
A.stay
B.stayed
C.staying
D.to stay
【正确答案】C
【答案解析】这里的staying 与前面的spending并列，所以要用相同的形式。
