—Watching TV too much _______ bad for your eyes.
—I’ll go to bed right away.
| A．is | B．are | C．was | D．be |
I usually come to school _______.
A. by a bus
B. on foot
C. by foot
Who knows the key ____ Exercise 1? Put up your hands.
A. to B. of C. with
I ________ at this time of yesterday.
A. started do my homework
B. started my homework
C. started to do my homework
_____ they are brothers, they don’t look like each other at all.
A. Because B. Though C. When
Jackie is _____ careful, so he seldom(很少) makes mistake.
A. usually B. never C. always