--I want to know when Mr. Brown will arrive.
--When he            , I will tell you.
A. will arrive              B. arrived                 C. arrives

If you _____ at noon, you ____ the feeding of animals.

I don’t know if Mr Wang ________here tomorrow . If he ______ , please tell me.

While he     TV，a football flew into the room through the window．

Though the key was pressed, nothing ______ on the screen.

I don’t know     he will come tomorrow,     he comes, I will tell you.

She will call you if she ____.

I don’t know if she _______ to the party. If she _______ , she’ll call me.
A. will go, will go      B. will go, goes       C. goes, will go

If you        him the truth, you’ll prove how honest you are.

Alice ________ to see his aunt if she _______free tomorrow.