—What’s wrong?—I can’t find my watch .
I _____ home _______10 o’clock last night.
The young boy found ________ hard to finish the work alone.
You look really cool in the new dress, dear. How much did you ________ it?
--Let’s go to the Tian’anmen Square by taxi. --Oh, it’s not far from here. We_______ take a taxi.
If you don’t go to the zoo, I won’t go,________.