My brother has been teaching ________ he was 21 years old.
#55820
A
when
B
if
C
for
D
since
推荐题目
—Why do you like staying in Guiyang?—Because the weather there is _____ too hot _____ too cold.
#58356
A
either; or
B
neither; nor
C
both, and
D
not only; but also
_________our hometown is only a small one, the number of foreigners living and working here is growing fast.
#58195
A
Because
B
Although
C
Since
D
If