—Isn’t that Ann’s husband over there? ---No, it _______be him. I’m sure he doesn’t wear glasses.

You really need to have a good rest．Remember：nothing ________make up for the loss of your health．

Four hundred dollars for just a pair of shoes? You ______ be joking!

—Mom,          I play computer games?—Yes, you can. But you have to finish your homework first. 

When we were in the college, we       stay in the library, devoting ourselves to books.