Question

20．They would rather stay at home better than go shopping when they were tired．（保持句意基本不变）
Theyprefer staying at hometo going shopping when they were tired．

Answer 1

分析 他们累的时候他们宁愿待在家里不愿去购物．

解答 答案：prefer，to．表达的是客观事实用一般现在时，结合would rather do sth than do sth相当于prefer doing to doing，宁愿做某事不愿做某事，主语they，故答案是prefer，to．

点评 would rather do A than do B宁愿做某事不愿做某事
prefer to do A rather than do B
prefer doing A to doing B 
prefer A to B
do A instead of doing B