. So far we have done a lot to build a low-carbon economy, but it is________ ideal. We have to work still harder.
| A．next to | B．far from | C．out of | D．due to |
.Our chemistry teacher announced that he would do the experiment in a different way
we might find interesting.
| A．which | B．in which | C．in that | D．whom |
While she is a lovely girl, she be extremely difficult to work with.
| A．may | B．must | C．should | D．can |
A dictionary is necessary if you want to learn English, so you’d better buy .
| A．this | B．that | C．it | D．one |
.It was after careful consideration we decided to take action.
| A．which | B．that | C．why | D．when |
his body and soul to bringing up-to-date technology and international attention to China’s AIDS problem, Dr. Pavid Ho, born in Taiwan, spent little time with his family.
| A．Devoted | B．To devote | C．Being devoted | D．Devoting |