问题

There were so many books in the shopping center, I didn’t know_______ .
A:where to buy
B:which to buy
C:how to buy
D:what to buy;
B:which to buy
C:how to buy
D:what to buy;
正确答案是:
同类题型
The production plan was fulfilled ________[ ]
e else, as his mother told us,__________ except the cabin in the backyard
30He insisted on going abroad to have further study ____ his parents objection
ther ___fine,theydecidedtogooutforawalk.
Father, you promised!— Well, _____. But it was you who didn’t keep your _____ first.