He doesn’t know ________ they will plant trees on Saturday or not.
#39074
A
weather
B
whether
C
if
D
that
推荐题目
Some children want to challenge themselves by learning a language different from _____ their parents speak at home.
#79047
A
what
B
that
C
which
D
one
He is ______ that he does everything very well.
#36547
A
so careful a student
B
so careful student
C
such careful a student
D
a such careful student
We should always bear in mind many traffic accidents arise from drunk driving.
#79029
A
what
B
that
C
which
D
whether
What made the archeologist feel excited was that he finally found two ancient vases in ______ seemed to him to be a king’s bedroom.
#78890
A
that
B
what
C
where
D
which