-The winner of the race is a tall and thin boy with glasses. --Then it___ be my friend, Mike, who looks like very fat. A. might B. can’t C. don’t D should
While she _____ TV, someone _______ at the door.
---Can you tell me __________?---Yes. She came here on foot.
The news made me ________.
----How are you going, buddy?----________. A little busy, though.
Scientists from different countries are trying to_______ a good way to solve the energy problem.