Mountain climbing ________ be very tiring, and many people feel sick ________ the atmosphere gets thinner.
#31554
A
may; while
B
can; as
C
must; though
D
should; for
推荐题目
One of the glorious moments in my school life was I was awarded the Mayor’s Award．
#32009
A
why
B
how
C
that
D
when
My parents don’t mind what job I do _____ I am happy.
#80576
A
even though
B
as soon as
C
as long as
D
as though
… Will you go to the meeting for their discussion? … No, ______ invited. I don’t feel like getting involved in their business.
#30639
A
unless
B
until
C
even if
D
otherwise
My mother is always warning me when I go out, “Don’t get off the bus ____ it is stopping.”
#80007
A
until
B
before
C
while
D
after
Choosing the right dictionary depends on ________ you want to use it for.
#29970
A
what
B
why
C
how
D
whether