Dear students, please read every sentence carefully. ______ you are, ________ mistakes you’ll make.

Shall we go to play football—________ . Let’s go!

The train had not come yet and the man ______ his watch anxiously.

The streets here are crowded with cars, so I prefer________ here rather than_______ .

Oh, my roommate always made a mess of our living room.— . He promised to clean everything off late.