—Now people have to pay some money for bags in supermarkets.
—Yes. Because they are bad for the environment.
A. bin B. paper
C. cloth D. plastic
—Why haven’t you bought a car, Mr Lin? You can one.
—Well, I have money for it, but I want to go green.
A. offer B. afford
C. avoid D. allow
—When you keep goldfish, it is a good idea to put some stones at the of the tank(鱼缸).
—So the fish can hide behind them.
A. middle B. top
C. front D. bottom
—How much is the ticket to Central Park?
—A one-way ticket $40, and you can another $20 for a round-trip.
A. costs; pay B. cost; spend
C. pay; spend D. spends; pay
Please the water when you brush your teeth.
A. take down B. turn up
C. take away D. turn off
Many young people took part in trees on Tree Planting Day.
A. planting B. plants
C. to plant D. plant
