Charles is believed_______ the floor yesterday; he is always helping others silently.
| A．to sweep | B．to have swept |
| C．having swept | D．Swept |
－The temple looks very old.
－You are right. It’s said that it_______more than 300 years ago.
| A．took apart | B．came into being | C．went through | D．built up |
It was said that the game was_______for children but adults could also play it.
| A．designed | B．decorated | C．expressed | D．requested |
It is reported that the scientists in our country are_______all possible way to control H7N9 flu.
| A．operating | B．solving | C．exploding | D．exploring |
The _______of our life has been improved greatly since the Party’s policy was carried out.
| A．attitude | B．quality | C．outline | D．altitude |
Because of the recent bad weather, the work is several weeks behind_______.
| A．stage | B．shelter | C．stadium | D．schedule |