the Internet is , I do not think it is a good idea to spend too much time on it.
A．When; greatly beneficial B．As; a great benefit
C．While; of great benefit D．Now; of no benefit
Cars play an important role in modem life, but they also cause many problems like air pollution.
A．should B．can C．must D．will
—How long have you been studying in No. 8 Middle School?
—More than two years.
—So it will be less than one year you graduate from it.
A．when B．before C．after D．since
— the team finished most of their research work?
—Yes, but the rest rather difficult.
A．Has, are B．Has, is C．Have, are D．Have, is
Mum, please let us, Lily and me, go to visit the new provincial museum tomorrow, ?
A．can you B．will you C．shall we D．may we
—I regret such a silly mistake in the English exam.
— you keep on trying, I don’t really mind whether you can come out top in your class.
A．making; So long as B．to have made; As soon as
C．to make; Once D．having made; The moment
