—Will you stay for some more days?
—Sorry, I_____. My mother called to ask me to go back at once.
| A．mustn’t | B．may not | C．can’t | D．wouldn’t |
It’ll be a great honour if I _________ to the charity evening party next week.
| A．invite | B．am invited | C．will invite | D．will be invited |
Some frightening pets _________ be kept home so that they won’t hurt others.
| A．can | B．may | C．must | D．need |
On March 23, many people took part in “_________ Lights” activity to help save energy.
| A．Turn off | B．Show off | C．Take off | D．Put off |
—Mom, Bill is coming to dinner this evening.
—OK. Let’s give him _________to eat.
| A．something different | B．different something |
| C．anything different | D．different anything |
Sandy didn’t tell her parents that she was going home because she wanted to give them
a _________.
| A．gift | B．call | C．surprise | D．note |