It is 30 years ______ China performed the Reform and Opening-up policy ______ has had a great effect not just on China, but also on the world.
| A．that; since | B．since; 不填 | C．when; that | D．since; that |
相关试题
Tired and disappointed, the rescue team finally reached _____ used to be a village．
| A．where | B．that | C．when | D．what |
Noise is unpleasant, _____ when you are trying to sleep．
| A．especially | B．specially |
| C．extremely | D．naturally |
So hard-working _____ that he sets a good example to all the other classmates．
| A．he is | B．is he | C．does he | D．he does |
With more and more forests _____, many animals are facing the danger of dying out．
| A．to destroy | B．destroying |
| C．destroyed | D．to be destoyed |
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