—Tom must be at home because the light in his house is on.
—He ____ be at home, because I saw him playing basketball on the playground.
A. canB. mustn’tC. can’t
— I would like to go to Hangzhou for my summer vacation .
—______
A. Well done. B. Have a good trip. C. Take it easy.
—Mike felt sad because he failed his exam yesterday.
—I’m sorry to hear that. Let’s____.
A. cheer him onB. cheer up himC. cheer him up
Lilei was late for class yesterday ________ the heavy traffic.
A. because of B. because C. so
I will tell you if he ______ to Beijing tomorrow.
A. comeB. comesC. will come
—What will your parents do?
—They will go on a ______ visit to Beijing.
A. seven day B. seven-day C. seven-days