Could you tell me how long do you _________ on your homework every day

Do you have enough to ____ all your daily expenses? — Oh yes, enough and to spare. [ ]

Please do me a favor—–_________ a seat for me in case the hall is too crowded

f the roadswere covered with thick snow, ____ made our journey more difficult.

He gave me the phone number in order ________ contact him when we are in need of help. [ ]