A man may play chess with a friend for thirty years without knowing his political opinion, or he may talk politics with him for as long a time without knowing about his personal life. for as long a time 是什么意思?
—This book on idioms is interesting. I'd like_______. Where did you buy it, Simon?— In the Amazon Bookstore.A .itB .thisC .thatD .one请问这里为何不能用it呢 ,it指前面用过的 book on idioms 不行吗?
第一组:Sb want to do sth Sb demand to do sth或者第二组:Sb mind doing sthSb enjoy doing sth请教老师,1.在以上类似结构中,sb want to do sth 中want 的宾语是 to do 还是to do sth ?还是两者兼可?2. 可不可以这样划分:to do 是want的宾语;然后,sth 是...