3.(1)Mr Brown can't be here because he's
.
A.gone to England
B.ill
C.gone to America
(2)There is an important
exam today.
A.Math
B.English
C.Chinese
(3)The exam ends at
o'clock this morning.
A.11
B.9
C.7
(4)If there is a difficult question,you should
.
A.write it clearly
B.answer it first
C.go on to the next one and come back to it later
(5)Don't leave questions unanswered;sometimes a
may help you get points.
A.guess
B.guest
C.gate