1.can Tom be a good basketball player?i don't think so ..he is () A not too fast B not fast enough.要说为什么2.nobody knows ()that day .没人知道那天他出什么事情了.根据汉语意思补全句子.另请解释一下knows,为什么用现在时,那后面的从句要用什么时态?

问题描述:

1.can Tom be a good basketball player?i don't think so .
.he is () A not too fast B not fast enough.要说为什么2.
nobody knows ()that day .没人知道那天他出什么事情了.根据汉语意思补全句子.另请解释一下knows,为什么用现在时,那后面的从句要用什么时态?