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--- You look ______,Paul. What’s the matter?--- I’m having trouble ______ math.
#51056
A
tired, to learn
B
worried, learning
C
frustrated, to learn
D
angrily, learning
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We had a hard time ____________ the basketball match, but finally we made it.
#51231
A
win
B
won
C
to win
D
winning
 — My brother’s ill in hospital.— I’m sorry ______ that.
#49862
A
hear
B
hearing
C
to hear
D
heard
Neil Armstrong is the first man         .
#48796
A
walk on the moon
B
walk on moon
C
to walk on the moon
D
to walk on moon
He is too tired _______any longer.
#49889
A
not to walk
B
to walk
C
walking
D
not walking
They were made _______ the whole night.
#50613
A
working
B
work
C
to work
D
worked