More often, the air in Hangzhou is dirty because of _____.
#28001
A
corn
B
pollution
C
medicine
D
temperature
推荐题目
Ladies and       .Welcome to our party.
#29623
A
gentleman
B
man
C
gentlemen
D
boys
My school is about twenty ________ walk from here.
#29304
A
minute
B
minutes’
C
minute’s
D
minutes
Jack Brown is a boy. Jack is his _____________
#28288
A
first name
B
last name
C
family name
D
full name
__________ mother is a middle school teacher.
#29505
A
Lucy’s and Lily
B
Lucy’s and Lily’s
C
Lucy and Lily’s
D
Lucy and Lily
Is that your _______? 
#29372
A
a bike
B
bike
C
bikes
D
a bikes