When _______ comes to saving energy, big changes start with small steps, like turning off the lights.
A. that B. this C. it D. one
The most important words in this sentence have been _____, so it doesn’t make any sense．
A. left out B. held out C. set out D. made out
Among the reporters first work about college students’ life sells pretty well. He’s busy talking with them.
A. does Tom stand whose B. Tom stands whose
C. stands Tom whose D. stood Tom whose
You ______have written such a long article. The teacher said 100 words would be enough.
A. mustn’t B needn’t C couldn’t D. wouldn’t
— Is there any possible way to help the children get rid of such a bad habit?
— To be honest, it’s very hard, but we ______on this problem.
A. work B. worked C. are working D. were working
— How are they getting on with their work?
— Everything goes well as ______.
A. to be planned B. being planned C. planned D. planning
