You look so tired tonight. It is high time you_________.
| A．went to bed | B．went to sleep | C．go to bed | D．to sleep |
--- Believe me, all your efforts will _______ some day. --- Thanks for your encouragement.
| A．pay back | B．pay down | C．pay off | D．pay for |
Sometimes we can’t _______ being persuaded to buy things that we don’t need at all.
| A．complain | B．resist | C．oppose | D．object |
Early settlers_______ their survival _______ hard work and determination to succeed.
| A．corresponded; with | B．owed ; to | C．adapted; to | D．attached; to |
There is a great deal of evidence _______ that music activities engage different parts of the brain.
| A．indicate | B．indicating | C．to indicate | D．to be indicating |
The students found it easy to_______ what the experienced teacher had taught.
| A．take in | B．take off | C．take on | D．take back |