It is already well understood___________ causes the global warming.
#70555
A
what
B
when
C
how
D
that
推荐题目
The reason______ he gave for being absent from school was ______ he had to attend his sick mother at home.
#73657
A
which; because
B
why; because
C
不填; that
D
why; that
The husband rushed to the hospital_____he heard that his wife was injured .
#72367
A
at the moment
B
for the moment
C
in a moment
D
the moment
The notice came around two o’clock in the afternoon _______ the meeting would be put off.
#67993
A
when
B
that
C
whether
D
how
The news _____ he has passed the exam makes his parents very happy.
#69220
A
that
B
which
C
whether
D
what