1、Inoticedhim(enter)theroomjustnow.2、Wehadbettergoandaskhimwhenhe(leave).Wemustseehimoffwhenhe(leave).3、She'softenheard(help)theoldmanwiththehousework.

Question

1、I noticed him ____ ____(enter)the room just now.
2、We had better go and ask him when he ____ ____(leave).
We must see him off when he ____(leave).
3、She's often heard ____ ____(help)the old man with the house work.

Answer 1

to enter
will leave
leaves
to help