Taking the bus to work is one of________parts of his life．
A．frustrating
B．more frustrating
C．most frustrating
D．the most frustrating
If you are in trouble，you can________the police________help．
A．tell；to
B．call；up
C．ask；for
D．ask；with
It’s________cold________go swimming in winter in Beijing．
A．too；to
B．so；that
C．so；as
D．enough；to
—How do you learn English？
—I learn English________practicing conversations with friends．
A．on
B．in
C．of
D．by
—How do you study________a test？
—I often study________a group．
A．to；for
B．for；at
C．at；in
D．for；with
The teacher said it was necessary________a foreign language well．
A．for us to learn
B．of us learning
C．for us learning
D．of us to learn
