Don’t throw litter around. Please__________.
| A．pick it up | B．pick up it | C．pick up them | D．pick them up |
She had to stop__________her test paper because it was time to hand it in.
| A．write | B．wrote | C．to write | D．writing |
Paul’s parents were worried that he__________too much time on computer games.
| A．spent | B．cost | C．paid | D．took |
The old man came into the room with a little boy__________was carrying a big bag.
| A．who | B．which | C．whom | D．whose |
The people in Brazil will have to get__________ready before the 2016 Brazil Olympic Games.
| A．anything | B．nothing | C．something | D．everything |
Lucy and her friend__________at the airport in half an hour.They are going to Taiwan.
| A．met | B．meet | C．have met | D．will meet |