It may be necessary to stop _____ in the learning process and go back to the difficult points in the lessons．
| A．at intervals | B．at random |
| C．at ease | D．at length |
If you completely ____ foods and drinks that you love， you'll only set yourself up to go on a large amount of those items later．
| A．take out | B．cut out | C．give out | D．put out |
The video, Under the Dome, has rapidly pushed the public______about air pollution and encouraged people to join in efforts to make a difference.
| A．analysis | B．imagination |
| C．awareness | D．argument |
-What life_______be like without cell phones？
-I cannot imagine it！
| A．may | B．can | C．will | D．would |
_____in the sports world，a sportsman needs to train constantly to keep himself in best condition．
| A．Survive | B．Surviving |
| C．To survive | D．Survived |
Mr．Smith had to go to work by bus this morning as his car ______．
| A．would repair | B．was repairing |
| C．had been repaired | D．was being repaired |
__________ the generosity of the public, we have reached our goal of collecting 50,000 yuan for the sick boy.
| A．In response to | B．According to |
| C．In favor of | D．Thanks to |
Difficult as part of the passage was ________, I managed to catch hold of its meaning in the end.
| A．understanding | B．to be understood |
| C．to understand | D．being understood |
If you go to the wildlife park，you will find the places there more dangerous than commonly__________
| A．supposing | B．suppose |
| C．to suppose | D．supposed |
Nearly a century later，extensive observations_______that elephants indeed remember injuries and hold hates against their abusers．
| A．confirmed | B．have confirmed |
| C．will confirm | D．had confirmed |
She wishes she ___to the cinema last night．
| A．went | B．would go |
| C．had gone | D．were going |
_____ the early flight, we ordered a taxi in advance and got up early．
| A．Catching | B．Caught |
| C．Catch | D．To catch |
He suddenly saw Sue ____ the room. He pushed his way _____ the crowd of people to get to her.
| A．across, across | B．over, through |
| C．over, into | D．across, through |
They have a good knowledge of English but little _______ they know about German.
| A．have | B．did | C．had | D．do |
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