As _______ unemployment is very high at the moment, it’s very difficult for people to find _______ work.
| A．the, 不填 | B．不填，不填 | C．the, a | D．an, the |
People in Chongqing are proud of_______they have achieved in the past ten years.
| A．that | B．which | C．what | D．How |
The companies are working together to create they hope will be the best means of transport in the 21st century.
| A．which | B．that | C．what | D．Who |
We should consider the students’ request the school library provide more books on popular science.
| A．that | B．when | C．which | D．where |
—Is there any possibility you could pick me up at the airport ?
—No problem
| A．when | B．that | C．whether | D．what |
The how to book can be of help to wants to do the job.
| A．who | B．whomever | C．no matter who | D．whoever |