The police are looking into the cause which ________ the sinking of the ship with about 200 passengers aboard.
While copying this paper, be careful not to ______ any words.
You can borrow my car ________ you promise not to drive too fast.
--- Could you turn the TVdown a little bit? --- ________. Is it disturbing you?
Without your timely help, we ________ in big trouble that day.
The car was full, but I managed to ______ in.