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
—__________ do you cook for your family?—Sorry, never.
#56172
A
How much
B
How many
C
How often
D
How old
John had to start work at an early age, ____ his family was very poor.
#56957
A
or
B
so
C
but
D
because
---Where was your sister at this time yesterday evening ? ---She was writing an e-mail ______ I was watching TV at home.
#57132
A
after
B
as soon as
C
while
D
until