About _______of the engineers in my company seem to be in their _________．
A. second-nines; fourties B. two-ninths; forties
C. second-ninths; fortieth D. two-nineths; fourtieth
--- Could you tell me __________?
--- Certainly. In half an hour.
A. when will the train to Beijing leave
B. when the train to Beijing would leave
C. when the train to Beijing left
D. when the train to Beijing will leave
--- Mum, why don’t you have the robot ________ housework for you?
--- Oh, it caught a virus, I should have it _________ at once.
A. done; repair B. do; repaired
C. done; repaired D. do; repair
If our government _______ attention to controlling food safety now, our health _______ in danger.
A. wont’ pay; is B. doesn’t pay; is
C. won’t pay; will be D. doesn’t pay; will be
--- Jack, could you help me ________ these pictures on the blackboard? It may help us know more about the hazy weather. (雾霾)
--- With pleasure.
A. put in B. put up C. put on D. put down
The world’s population is growing ______ and there is _______ land and water for growing rice.
A. more; less B. larger; fewer C. larger; less D. more; fewer