—The guard keeps         watch at the gate.—So he does. Only those         knows well could be let in.
#19783
A
close; who
B
tight; whom
C
tight; that
D
close; he
推荐题目
There were two boys in the lab, ________ did the experiment successfully.
#20527
A
the clever of whom
B
the cleverer or whom
C
the clever of them
D
the more clever of them
------How are you getting on with your roommates?--------______. I’ve got to know them all.
#20458
A
Far better
B
Much pleased
C
Very comfortable
D
Very good