I ordered _______pizza and salad. _______ pizza was nice but the salad was terrible.
| A．a;The | B．a;不填 | C．the；the | D．the；不填 |
The government has taken some measures to solve the shortage of electricity, but it may be some time ____________ the situation improves.
| A．since | B．when | C．unless | D．before |
Mary had to go to a meeting，so she left her children ___________ at home.
| A．playing | B．played | C．to play | D．having played |
A cell phone could ___________the energy which could activate your brain.
| A．give away | B．give off | C．give back | D．give up |
I think it a great honor ___________ to visit your country.
| A．to invite | B．inviting | C．having invited | D．to be invited |
— What do you think of modem music?
— It is often considered not as good as ___________ of the past.
| A．it | B．this | C．that | D．one |