Mr. Hall understands that _______ math has always been easy for him, it is not easy for the students.
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A
unless
B
since
C
although
D
when
推荐题目
Elbert Einstein, for ______ life had once been very hard, was successful later in science .
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A
whom
B
whose
C
which
D
his
The question occurred to me ______ we were to get the machine needed.
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A
that
B
what
C
why
D
where
—Did Jack come back early last night?—Yes,it was not yet eight o’clock_______he arrived home.
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A
why
B
when
C
that
D
which
______ for something, a receipt is given to you.
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A
Paying
B
Having paid
C
When you have paid
D
To be paying