Question

Every year lots of trees       to make our country more beautiful.
A. is planted              B. are planted            C. plant

Answer 1

B

試題分析：句意：每年會種很多的樹來讓我們國家變得更漂亮。句中用被動語態(tài)，結(jié)構(gòu)為be+動詞過去分詞；主語是復(fù)數(shù)，故此題選B。