When Tom got to the examination room, he realized he ______ his pen at home.
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A
was leaving
B
had left
C
forgot
D
was forgetting
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Today is my birthday and my mother _______ a cake _______ me.    
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A
making, to
B
is making, for
C
is doing, to
D
doing, for
 If you work hard and never __________, you will learn maths well.
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A
put up
B
pick up
C
give up   
D
grow up
She ought to stop _______. She has a headache because she _______ too long.
#60581
A
to work, was reading
B
to work, has read
C
working, has read
D
working, read