He had to retire(退休) early ______ poor health.
#58273
A
as a result
B
because
C
so
D
because of
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--- I feel nervous about the coming summer.---- Me , too. Hot weather _____ makes people feel hot, ______ causes serious health problems.
#56218
A
either…. or
B
neither …nor
C
both….and
D
not only….but also
—Oh! I failed again.—Don’t lose heart. One more effort (努力), _________ you will succeed.
#55815
A
so that
B
since
C
however
D
and