If you have trouble pronouncing the word, you can repeat it over and over again _______ you are comfortable with it.
#55250
A
unless
B
if
C
until
D
while
推荐题目
He________go to bed_______he finished his homework.
#56992
A
doesn’t; until
B
doesn’t; and
C
didn’t; until
D
didn’t; for
______hours do you exercise every week ?  Nine hours.
#56316
A
How many
B
How often
C
How much
D
How long
In this school, ______ students work very hard, ______ they are very happy.
#57207
A
although, /
B
although, but
C
/, although
D
but, although