Mom, can I have some____________ now—Yes, it’s on the desk.

couldn’t help________ the computer because I was not free at that time.

I spent three hours buying a train ticket at the railway station the other day .– Why You __________ one on the Internet or by phone .

Do you like your new T-­shirt—Yes. Not only I but also my mother ________ it.

John’s mother always asks him__________ his homework at sclool．