The most serious problem we are facing now is how to ______ all the pollution.
| A．get rid of | B．get on with | C．get through with | D．get down to |
相关试题
______no need for us to discuss the problem again since it has already 
settled.
A．It has |
B．There has | C．It is | D．There is |
The windows haven’t cleaned for a long time．They need ______.
| A．to clean | B．to be cleaned | C．cleaning | D．B and C |
–That would mean ____ a lot of time.
--Really? I don’t mean ____ any time.
| A．wasting; wasting | B．to waste; to waste |
| C．wasting; to waste | D．to waste; wasting |
____ the TV play, he got down to ____ his homework.
| A．Watching; do | B．After his watching; do |
| C．Watched; doing | D．Having watched; doing |
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