We’ll go to the farm and help the farmers with the apple-picking if it _____ tomorrow. [ ]

It is the first time that I _______ this kind of tasty moon cake.

Did you go ___ ___ with your brother last weekend, Tina? –No ,we just stayed at home and watched TV.

Halfway up the mountain we stopped to ______________.

Please keep______ secret that he’ s decided to give up his present position.