John was cleaning the window and Mary was watching TV.
#33577
A
at the meantime
B
when
C
meanwhile
D
while
推荐题目
I care about most is whether the company provides opportunities for further education.
#30859
A
Whether
B
What
C
That
D
Which
I like Emy, ________ she can be annoying（烦人的）at times.
#33422
A
even though
B
now that
C
as though
D
as long as
---- When did the couple die? ---- It was on May 12 _______ the earthquake hit Wenchuan County.
#33030
A
that
B
which
C
when
D
what
Helen has got ________ it takes to be a great tennis player. In other words, she has the potential to become world famous.
#30341
A
how
B
what
C
when
D
that