________ with some research materials, he decided on three possible approaches in his experiment.
| A．Preparing | B．Prepared | C．Having prepared | D．Prepare |
Is this the first time that you _____ here?
| A．visit | B．are visiting | C．had visited | D．have visited |
This is a new ______ to language teaching, which can stimulate students’ interest to learn the language.
| A．approach | B．means | C．method | D．way |
But someday, all our hard work will______; we will attend the university of our choice and go on to have a great career.
| A．turn out | B．pay off | C．work out | D．go out |
Lily finally admitted ______ my umbrella by mistake.
| A．to take | B．to have taken | C．having taken | D．have taken |
The murderer ran away from his village, trying to avoid ______ by the police, but in vain.
| A．to be caught | B．being caught | C．to be catching | D．to catch |