13. ______, you must do your every best to make the party __________.
—Why am I so slow at doing the cloze test?—I guess you didn’t realize the use _____ the contexts.
My MP4 player isn’t in my bag. Where I have put it?
The biggest problem for most plants, which ______ just get up and run away when threatened, is that animals like to eat them.
— Is John coming by train?— He should, but he ______ not. He likes driving his car.
You _____ phone him if you want to, but you _____! He will surely phone you.