—Shall I help you, sir? —I appreciate ____ if you do me the favor to pack the luggage.
#15034
A
/
B
that
C
you
D
it
推荐题目
The time has come ______ we can make extensive use of nuclear energy．
#16112
A
when
B
which
C
since
D
while
__________ was known to us all that Tom had broken his promise __________ he would give each of us a small gift.
#14902
A
It; that
B
What; that
C
As; which
D
It; which
It is so difficult a problem that _____ student in this class _____ work it out.
#17120
A
any, can't
B
no, can
C
every, can
D
no, can't
—— Was that the new comer who walked by? —— ＿＿＿＿＿.
#16929
A
It must be that
B
It must have been
C
He must be
D
This must have been