The students are surprised ______ that fish sleep with eyes openA.knew B.know C.to know D.knowing

The students are surprised ______ that fish sleep with eyes openA.knew B.know C.to know D.knowing
The students are surprised ______ that fish sleep with eyes open
A.knew B.know C.to know D.knowing

The students are surprised ______ that fish sleep with eyes openA.knew B.know C.to know D.knowing
三、
1.It is interesting _________( know ) something about animals.
2.__________(not open) the door.It is cold outside.
3.She can work out the difficult question _________(easy)
4.Please keep ___________(quietly) in the reading-room
5.---Where is my cup -------__________(you) is over there.
6.What about _________(go) fishing with us tomorrow
答案
1.to know
2.Don’t open
3.easily
4.quiet
5.yours
6.going