用适当的介词或连词填空
问题描述：
用适当的介词或连词填空
Study hard,() you will fail in the next exam.
It's () hot () we do not want to go out.
It's very kind () you to help me.
I had a test last week ()got a full mark.
My mother cut the cake () a knife.
答
.or
2.so that
3.of
4.and
5.with