It is reported that two schools, _______ are being built in my hometown, will open next year.
A, they both B, which both C, both of them D, both of which
The scientists are studying the effects of human activities______the environment.
| A．in | B．at | C．on | D．with |
The law about banning using thin plastic bags came into_____from 1st Jane this year.
| A．existence | B．power | C．sight | D．effect |
I have offered to work for the store owner _____ one night’s stay.
| A．in place of | B．in exchange for | C．in relation to | D．in preference to |
Tom said he had been working for three hours, _____ ,evidently, was untrue.
| A．he | B．this | C．it | D．which |
---May I use your cellphone?
---_____. We are good freinds
| A．No trouble at all. | B．Of course you may |
| C．You are welcome | D．It all depends |