In order to make our city green, _______. 
#98611
A
it is necessary to have planted more trees
B
many more trees need to plant
C
our city needs more trees
D
we must plant more trees
推荐题目
Canada is a country _____many different nationalities as well as one with foreign immigrants _____ the majority of its population.
#89796
A
making up of; made up
B
consisting of; making up
C
made up of; consists of
D
consisted of; made up
______ some of the questions ______,the man said good-bye to us.
#99019
A
Leave;unanswered
B
Leaving;unanswered
C
Left;to be answered
D
Leaving;unanswering