Why did you just sit and watch？ You _______ me.
| A．could help | B．should help |
| C．could have helped | D．must have helped |
The elderly mother sits in the armchair,at the family picture on the wall quietly.
| A．staring | B．being stared | C．stared | D．to stare |
—Doesn’t he feelimpolite when he laughs with his mouth full of food?
—I will ask him to pay attention to his behavior.
| A．it | B．that | C．this | D．these |
—I can’t help you with he problem, for Iwith my homework.
—Thank you all the same.
| A．am occupying | B．occupy | C．am occupied | D．was occupied |
By law, doctors are bannedthe kickback(回扣).
| A．to accept | B．to be accepted |
| C．from being accepted | D．from accepting |
Many people worry that air pollution mightchanges in the weather around the world.
| A．add to | B．lead to | C．turn to | D．belong to |