超快的，高速的
A: ultra-fast
B: extra-fast
A: ultra-fast
B: extra-fast
举一反三
- Liu Xiang runs! A: What fast boy B: What fast C: How fast D: How a fast
- He was late for the class today because he didn't run ______ catch the bus. A: enough fast to B: fast enough to C: fast enough D: enough fast
- Look!Lindaisrunning________________(fast)and________________(fast).Iamsureshewillwin.
- 请判断，以下句子中，fast分别是什么词性？A ①[u]fast[/u] car goes ②[u]fast[/u]. ①处的fast是什么词性？ A: 形容词 B: 副词
- Question 3: It is a ________ bicycle. A: red fast B: fast red