--- 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
推荐题目
Jack is always willing ______ good things with others.
#50202
A
share
B
shared
C
sharing
D
to share
She tried ________ Chinese in English.
#51095
A
to not speak
B
not to speak
C
not speaking
D
didn’t to speak