找出适当的应答，将序号写在题前的括号内。
We ________trees in our school in March or April every year．
| A．plant and water |
| B．planting and watering |
| C．planted and watered |
| D．plants and waters |
There _________some magazines on the desk a moment ago．
| A．is | B．are | C．was | D．were |
一Would you like to have a birthday party?一_________
| A．Yes．I do． | B．Yes，I'd like to． | C．And you? | D．Sorry．I don’t． |
My key is under the desk．Who can pick _________for me?
| A．them | B．it away | C．them from | D．it up |