— ____ do you clean the classroom?— Three times a day.
#59294
A
How long
B
How often
C
How soon
D
How many
推荐题目
Wolves will _________ their lives _________ the loss of the trees and forests.
#55460
A
lose; because
B
lose; because of
C
lost; because
D
lost; because of
---Could you tell me what time the train leaves Hefei for Beijing?---I’m afraid you need to ______on the Internet.
#58794
A
look for it
B
look at it
C
look it over
D
look it up
—Can you your little brother ?I’m busy now.—All right,mun.I’ll do it right now.
#58671
A
wear
B
put on
C
dress
D
in
—He isn’t a teacher and his brother isn’t a teacher, either. —You mean neither he nor his brother . a teacher, right?
#53541
A
is
B
be
C
are
D
was
This listening material, together with its CD-ROMS, ______well.
#58340
A
sells
B
sell
C
is sold
D
are sold