问题

Mr. Smith must know a lot about Chinese history.—________. He has studied it for years.

A:So he does
B:So does he
C:So he must
D:Yes, he must

正确答案是：

同类题型

He is said ______ several books since 1996

Bob doesn’t know ________ to write about.

Tom’smother is busy _____breakfast for Tom.

下面是一副集句对联。下列各项对下联中人名所做的解说正确的一项是（）沧海日，赤城霞，巫峡云，彭蠡烟，武夷峰，庐山瀑布，合宇宙奇观，绘我斋壁；少陵诗，摩诘画，司马史，右军帖，相如赋，屈子离骚，收古今绝艺，置吾山庄。

I don’t know he has time to help us. Let’s ask him.