（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