. — ____ I know your name ? — Sorry , you ____ .
#89739
A
May ; mayn''t
B
May ; can''t
C
Must ; mustn''t
D
Need ; must
推荐题目
—Sorry, sir. I can’t answer this question. ---Well, you are supposed______ this part of history.
#86779
A
reading
B
to be reading
C
to have read
D
having read
The suggestion has been made that the sports meet _____ put off till next Monday.
#87829
A
was
B
be
C
would be
D
being
Messages ______ be changed from sound into electricity before they ______ be sent by radio.
#90077
A
must; will
B
have to; can
C
can; must
D
need; may
---Mike must have known that.---No, he ________. How _______ he?
#87806
A
mustn’t, must
B
may not, might
C
couldn’t, can
D
needn’t, need
Jack describe his father, who____ a brave boy many years ago, as a strong-willed man.
#87609
A
would be
B
would have been
C
must be
D
must have been