You look so tired tonight. It is high time you_________.
| A．went to bed | B．went to sleep | C．go to bed | D．to sleep |
Every girl and every boy _____ the right to join the club.
| A．have | B．has | C．will has | D．there is |
We will do everything we can _____ out city and people.
| A．to save | B．save | C．save to | D．saving |
Mr．Smith told us that gold medal his son had got was considered honor to the whole family．
| A．the：/ | B．the；an | C．a；an | D．a；the |
The thought of going back home was _______kept him happy while he was working abroad.
| A．that | B．all that | C．all what | D．which |
It is reported that the US uses ________energy as the whole of Europe.
| A．twice as much | B．twice as | C．twice more | D．as twice |