Though we don’t know what was discussed, yet we can feel the topic_____.
| A．had changed | B．will change | C．was changed | D．has been changed |
She's really _____ yoga these days - she does three classes a week.
| A．going into | B．getting into | C．running into | D．looking into |
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 |