1 . Graduates today get more creative in their career pursuits, and can quickly respond to and change with _____ the market demands.

A．when

B．which

C．what

D．that

2 . As fossil fuels are unsustainable, alternative energy, such as sunlight, wind and water, _____ currently.

A．was employed	B．is being employed
C．were employed	D．are being employed

3 . Young people are more willing to study the skills of paper cutting these days, _____ local authorities have put great efforts in promoting the handicraft.

A．if

B．though

C．as

D．unless

4 . ________Earth is the only planet known to support life, humans’ adaptability will surely allow us to live on other planets.

A．While

B．Since

C．Until

D．Unless

6 . One of the reasons behind this is that ________ a book usually takes a few days to read, a movie typically lasts under two hours.

A．when

B．what

C．while

D．why

7 . The building was designed to show the connection betweeen nature and the modern city environment ________ it sits.

A．that

B．in that

C．which

D．in which

8 . I used to feel like 50 percent of my time________ researching new restaurants.

A．were spent

B．have been spent

C．was spent

D．has been spent

9 . If we’re lucky, AI might think we’re valuable enough to keep around. ________, it might wipe us all out.

A．If so

B．If not

C．If possible

D．If necessary

10 . A drop of water and a little pity—— that is ________ I can repay with my life.

A．more than

B．less than

C．rather than

D．other than