It is reported that in our country cities ________ heavy air pollution that is 30 percent above the national standard or higher should try to meet standards by 2030.
| A．suffering | B．suffer | C．suffered | D．are suffering |
The vegetables grown in this district are much better than ____ in that district.
| A．/ | B．that | C．ones | D．those |
_______ no buses , we have to walk home
| A．There were | B．There being | C．It was | D．It being |
It is ________ the customers' needs that has made chain stores so popular in big cities in China.
| A．meeting | B．met | C．to have met | D．being met |
--- What ______ when I phoned you?
--- I ______ my work, and I wanted to go out.
| A．have you done; finished |
| B．were you doing; have finished |
| C．did you do; had just finished |
| D．were you doing; had just finished |
---I have _______that he will continue to rise to the challenges ahead.
---Absolutely.
| A．no doubt | B．no wonder | C．no problem | D．no way |