1.Don't forget ____ the letter.

1.Don't forget ____ the letter.
A.to send B.send C.sending D.being sent
2.Is ____ necessary to return the book today?
A.this B.that C.it D .which
3.Mother told me ______ the water before Idrank it.
A.boiling B.boiled C.boil D.to boil
4.On my way home,I stopped ______ some food.
A.buy B.to buy C.buying D.bought
5.John was made ______ the car for a week as a punishment.
A.to wash B.washing C.wash D.to be washing
6.the first thing Iwant to do is ______.
A.visit to him B.to visit him C.vistiting him D.visited him
7.Mike advised me ______ too much,otherwise I would be drunk.
A.not to drink B.to drink C.not drinking D.drinking
8.I have never ___ too hard.
A.to smile B.to smiling C.smiling Dsmile