You     to ask the teacher if you want to hace a day off.
#101728
A
are supposed
B
suppose
C
are allowed
D
allow
推荐题目
With the rise of modern communication tools, handwritten letters ______ by emails. 
#100623
A
will replace
B
have replaced
C
are replaced
D
are being replaced
Please don’t make so much noise.I     a novel.
#101730
A
writes
B
am writing
C
wrote
D
was writing
When _____ the letter, tears came to her eyes.
#101827
A
she was reading
B
reading
C
she reading
D
read
—Could I use your dictionary?—Sorry, it __________.
#102450
A
is using
B
was using
C
was used
D
is being used