杯状形树经过第三次整枝,最后至少保留()。
A.4枝
B.8枝
C.12枝
D.16枝
参考答案:C
— I don’t think this TV set is of good quality. Can you replace it with a new one?
—_____. But I have to talk to my manager first.
A.I’m sorry
B.No way
C.No problem
D.That’s a question
—What did Tom do last Friday night?
—He did nothing. He just____ on the street. [ ]
A.ran after a dog
B.played football
C.hung out
D.went shopping