The United States _______one of the lowest smoking rates －25.5 percent of the population.
#103540
A
is
B
have
C
has
D
are
推荐题目
. The new English teacher as well as the excited students _____ a new English song on the Internet.
#103669
A
are learning
B
is learning
C
have learned
D
has been learned
I was out of town at the time, so I don’t know exactly how it _______.
#104951
A
was happening
B
happened
C
happens
D
has happened
As people ______ more wealth ,they tend to spend a greater share of their incomes.
#100907
A
adopt
B
attach
C
accomplish
D
accumulate
The reporter said that UFO from east to west when he saw it.
#100917
A
was moving
B
is moving
C
move
D
moves
Don’t worry. Your dog _____good care of while you are away on holiday next week.
#102981
A
will take
B
is taking
C
will be taken
D
.has been taken