is known to us is that tobacco contains
题型:选择题
问题:
is known to us is that tobacco contains nicotine and other harmful products,so you should give up smoking.
A.As
B.It
C.What
D.Which
is known to us is that tobacco contains nicotine and other harmful products,so you should give up smoking.
A.As
B.It
C.What
D.Which