Just like weather, life_______ be sunny and beautiful all the time.
A. mustn’t B. needn’t
C. can’t D. wouldn’t
--I saw you came to school by taxi this morning.
--Oh, I_______ come to school by taxi, but it is raining today.
A.sometimes B.always
C.hardly D.usually
Now one of the hottest topics_______ people are talking about is the safety of food.
A.that B.who
C.when D.which
---Will you take part in the English speech competition tomorrow?
---Sure. I see it as a chance to prove _______.
A. myself B. me
C. yourself D. You
-Do you know_______ second-hand smoke?
-To protect our health and memory.
A. how we should prevent B. why should we prevent
C. why we should prevent D. how should we prevent
_______ the students_______ their teacher know about the four people.
A. Both…and… B. Not only…but also…
C. Neither-…nor… D. Either…or…
