--The man in a black suit _______ be our youth worker.--- I’m sure it _______ be him. I saw him in the laboratory building some minutes ago.
#75725
A
must; can’t
B
can; mustn’t
C
can; could
D
must; won’t
推荐题目
He went into his room, the light and began to work.
#77717
A
has turned on
B
turned off
C
turned on
D
has turned off
— Happy birthday!— Thank you! It’s the best present I _______ for.
#63508
A
should have wished
B
must have wished
C
may have wished
D
could have wished
Facts prove that the world’s economic development is not a win-lose game but one in which all ______ be winners.
#62924
A
shall
B
can
C
must
D
will
--Excuse me，Mr. Li,_________ I close windows? It’s cold now.--Yes，you__________
#76604
A
can; can't
B
can; may
C
may; can’t
D
may; can