So far we have done a lot to build a low-carbon economy, yet it is still _________ ideal. We have to work even harder.
| A．far from | B．next to | C．out of | D．due to |
Mrs White showed her students some old maps ______ from the library.
| A．to borrow | B．to be borrowed |
| C．borrowed | D．borrowing |
We have lost two of our best players, but we're :__________ winning.
| A．struggled for | B．struggling for |
| C．struggling on | D．struggling with |
On AIDS Day, the minister of Health Department demanded that the problems __________ paid special attention to.
| A．referred to being | B．referred to be |
| C．refer to being | D．refer to be |
The young man, making several attempts to beat the world __________ in high jump, decided to have another try.
| A．recorder | B．record | C．format | D．concept |
Those who chat online in computer class shall not __________ the computer room again.
| A．be allowed to enter | B．be allowed enter |
| C．allowed to | D．allowed entering |