_____ he was very tired, he continued working in his office.
#55324
A
Since
B
Although
C
As soon as
D
Because
推荐题目
Frank often wears a mask ________he can keep fit in the foggy and hazy (霾) weather.
#55993
A
only if
B
until
C
so that
D
even though
I met a friend of mine _________ I was walking along the street.
#56938
A
before
B
as
C
because
D
since
Susan was reading a newspaper on the train_________ a strange old man come over.
#55968
A
when
B
while
C
before
D
after
The flowers ________ well if they ________.
#57290
A
won’t grow, don’t take good care of
B
won’t grow, are not taken good care of
C
don’t grow, are taken good care of
D
don’t grow, don’t take good care of