词汇运用（共l0小题；每小题l分，计l0分）（每空一词）
The machine is being ___________ by a robot instead of a worker (控制).
Earth is becoming more and more ____________and polluted (拥挤).
When people in power is __________, people will do as they like(缺席的).
A train is going ___________a tunnel(穿过).
The little boy________ not to be late for school any more yesterday (允诺) .
On summer days, lying on the beach can be quite _________ (relax).
The film, 1942 , directed by one of the most famous Chinese ______ got a success(direct).
For an __________ reason, Sam moved to Japan(know).
Green food means the food is____________ (harm).
All of us should know the____________ of protecting wild animals(important).