Kate ______ playing chess.
A. am B. is C. are
-- Hi, Mike. Can you help me?
-- OK. ________.
| A．You'll help me |
| B．I'm going |
| C．I'm coming |
| D．I'm leaving |
Even the top students in our class can't work out this problem. So it _____ be very difficult.
| A．may | B．must | C．can | D．need |
This machine is very easy to use.______ can learn to use it in a very short time.
| A．Somebody | B．Anybody | C．Nobody | D．Few people |
One of his friends ______ his daughter sometimes.
| A．visiting | B．is visiting | C．visitor | D．visits |
The game is _____ funny that many of them like it.
| A．such | B．so | C．very | D．quite |