问题
You look very tired this morning. What did you do last afternoon — I did _______ Christmas shopping.
A:a number of
B:a few of
C:a lot of
D:a piece of;
B:a few of
C:a lot of
D:a piece of;
正确答案是：
同类题型
I want to use the same tools _______used in your factory a few days ago.
Thedoctor recommended that you swim after eating alarge meal.
The famous deaf dancer think that dancing is anactivity ________ sight matters more than hearing.
I have a lot of homework to do today, _________ I cannot go swimming with you.
She surprised her neighbors ______ one of her favourite home-made dishes