The math problem is too difficult ,I can’t__________ .
A. work out it B. work it out
C. work them out D. put it out
Many old men prefer __________ in a peaceful countryside.
A. to live B. living C. live D. lived
Mary likes learing English,______ she doesn’t like learning math at all.
A.and B.or C.but D.so
------I’m taking the driving test next Sunday.
------________!
A.Good luck B.With pleasure
C.Good work D.Congratulations
______ trees are cut down in the forests every year.
A.Thousand B.Thousands
C.Thousands of D.Thousand of
The population of the world in 20 century became very much _____than that in 19 century.
A.bigger B.lager
C.greater D.more
