It’s very dangerous to _______ these viruses without any protection.
#99965
A
be exposed to
B
expose to
C
expose
D
be exposing to
推荐题目
---Don’t put the waste on the ground. ---Oh, I’m very sorry. I ________ the dustbin there.
#102280
A
don’t see
B
isn’t seeing
C
didn’t see
D
haven’t seen
It seems that water from this tap ________ for some time.We'll have to take it apart to put it right.
#99742
A
had leaked
B
is leaking
C
leaked
D
has been leaking
The mother many things to get her daughter a good education.
#101177
A
purchase
B
produce
C
sacrifice
D
store
— Mum，I really think Dad should have a break and get relaxed．—Yes．He too long．
#102181
A
read
B
had read
C
has been reading
D
is reading
I’m sorry I can’t join you. I __________ my homework.
#100217
A
haven’tfinished
B
didn’tfinish
C
won’tfinish
D
don’tfinish