After half a year’s training, they were made entirely used   ____     underwater.
#97389
A
stay
B
to stay
C
to staying
D
staying
推荐题目
---What do you think made the girl so glad? --- __________ a beautiful necklace.
#96126
A
As she was sent
B
Being sent
C
Sent
D
To be sent
_______ from space, we can find 70% of the surface of the earth _______ by water.
#96614
A
Seeing …... covering
B
Seeing …... covered
C
Seen ...... covering
D
Seen …... covered