I know _________ I promised to take you to dinner, but I won't finish working until ten o’clock.
#38454
A
that
B
if
C
what
D
why
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With the nuclear crisis worsening in Iran, the world's attention is fixed again on is called the Middle East．
#79244
A
which
B
that
C
what
D
it
I hear Mr Brown lives here, but I’m not sure .
#36525
A
he lives in which room
B
which room does he live in
C
which room he lives in
D
in which room does he live
Although most of them have no doubt _____ he will pass the exam, I still wonder ______ he has really got everything ready.
#79009
A
whether; that
B
that; whether
C
that; that
D
whether; whether
Regardless of ________ the obstacles in this life may be, I will run my race to the best of my ability.
#78881
A
what
B
how
C
which
D
where