We'll be away for two weeks because we'll have a ___________.
| A．two-weeks holiday | B．two weeks' holidays |
| C．two- week holiday | D．two-weeks' holiday |
Since you can solve the problem,I don’t feel_____worthwhile taking such trouble.
| A．that | B．me | C．that | D．it |
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 |