-Who’s that man riding along the street. Is it Tom?
-It ______ be Tom. I saw him in the library just now.
| A．must | B．may |
| C．can’t | D．shouldn’t |
– How long has Mr. Green been in Beijing?
-- It ____ half a year since he ____ there.
A. is; moved B. was; move C. was; moved
Usually soft colors make people ______.
A.relaxingB.relaxedC excited
—We can use QQ to talk with each other on line.
—Really? Could you please show me ____________it?
A. how to doB. what to do C. when to do
When we got to the theatre, the play _______ for five minutes.
A.had been onB. had begunC. was on
I didn’t understand ________________, so I raised my hand to ask.
A. what my teacher says
B. what did my teacher say
C. what my teacher said