In order to make our city green, _______.
| A．it is necessary to have planted more trees | B．many more trees need to plant |
| C．our city needs more trees | D．we must plant more trees |
______ in March, that so many people had on their light wears.
| A．So hot became the weather | B．So became the hot weather |
| C．The hot weather became so | D．So hot did the weather become |
We should consider the students’ request ______ the school library provide more books on popular science.
| A．that | B．when | C．which | D．where |
---The last one ______ pays the bill.
--- Agreed.
| A．arrived | B．arrives | C．arriving | D．to arrive |
Taobao is Asia’s largest retail（零售的） network platform, ______ people can buy and sell many kinds of things．
| A．when | B．whose | C．that | D．where |
_____ the absence of the manager, we were unable to decide on the date of the celebration．
| A．In spite of | B．On behalf of |
| C．Due to | D．Regardless of |