—I saw Mr. Green at school this morning. —No, it _____ him. He flied to Canada last week. A. can be B. must be C. can’t be
The shirt made______ China is made ______silk.
Would you like ________ of tea?
This pair of shoes _______ very nice. Can I________?
--Excuse me, may I have_______ water? --Sorry, there isn’t ______ water in the cup.
The jeans are________, so I will take________.