About seventy percent of our earth _______ by water.
A. is covering B. is covered
C. are covered D. are covering
Today the forests are getting fewer and fewer. We must______ down too many trees.
A. keep people from cutting
B. prevent people from cutting
C. stop people cutting
D. all the above
What’s the sentence structure of “ Spring is warm and sunny.”?
A. B. S+V+P C. S+V+O D. S+V+DO+OC
He stopped looking after the homeless animals ___________ his bad health.
A. instead of B. because of C. because D. instead
---Why do you recommend Li Hong for the Best Student Award?
---She is good at all the subjects. __________, she is polite and helpful.
A. Moreover B. However C. Otherwise D. Instead
---Seven thirty _____________ be too late. What about six thirty?
---No problem. Let’s make it at six thirty.
A. need B. can not C. may D. may not
