Mark have hurried. After driving at top speed, he arrived half an hour early.
A. needn’t B. wouldn’t C. mustn’t D. couidn’t
He didn't make clear when and where the sports meet would be held.
A. this B. it C. that D. one
Being able to speak another language fluently is a great when you are looking for a job.
A. advantage B. chance C. assistant D. importance
, he dialed 999.
A. Seen the house on fire B. To see the house on fire
C. Being seen the house on fire D. Seeing the house on fire
We on it for several hours but we haven't yet reached any conclusion.
A. are working B. work C. have been worked D. have been working
---Will you help me with this mathematical problem? .
---Sure. Let me see.
A. It’s your turn B. Go on C. I’m stuck D. See what I mean?