They study so________that they easily pass the exam．
A．hard
B．harder
C．hardly
D．hardest
She realized________English well．
A．the importance of learn
B．the important of learn
C．the importance of learning
D．the important of learning
He seems________out of trouble．
A．to get
B．getting
C．get
D．to getting
He used wood________a fire．
A．to make
B．making
C．make
D．to making
He had to do something________his own life．
A．save
B．to save
C．to saving
D．saving
—I always get nervous before________big exams．
—You could take a walk．
A．have
B．has
C．to have
D．having
