An engine is a machine _______ can make a car move.
A:/
B:that
C:what
D:who
用如下图所示的剪刀剪树枝时,为了容易剪断树枝,常用剪刀口的中部,而不用剪刀尖去剪树枝,这是为了( )
阅读对话,判断正误,对的写“正确”错的写“错误”
Mingming: What are you doing, Lingling?
Lingling: I'm training. I'm going to do the high jump. What are you going to do for Sports Day?
Mingming: I'm going to run the 100 metres.
选出下列说法有误的一项( )
Sometime I ____ (去上舞蹈课).