What are you going to do this afternoon?— I’ll probably go for a walk later on________it stays fine[ ]

You can’ t smoke here. Look at the sign.—Oh， sorry. I _______ it.

I need ________.

do anything last week—I _________ to go skiing or do some shopping, but ______ studying

The child tiptoed(翘起脚尖走) quietly to the bird. ______ into the forest when he was about to catch it.