--- 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
The children are _____ when they hear the _____news.
#50200
A
exciting, exciting
B
exciting, excited
C
excited, exciting
D
excited, excited
We must do everything we can _________ our earth clearer and safer.
#49701
A
made
B
to making
C
make
D
to make
What should I do, doctor? ________ healthy , you should take more exercise.
#48682
A
Keep
B
Keeping
C
To keep
D
Kept
