— What happened?
— The owner changed his mind and refused his house.
| A．sell | B．sold | C．selling | D．to sell |
There’s some litter on the floor. Please ______.
| A．pick up it | B．pick it up | C．pick them up | D．pick up them |
---What’s your favorite ______? ---Hamburger.
| A．food | B．drink | C．fruit | D．clothing |
My friend Max started to play football ______ he was seven years old.
| A．since | B．when | C．if | D．while |
Could you please ______ loudly in the library?
| A．don’t talk | B．don’t say | C．not to talk | D．not talk |
Why not ______ help when you were in danger?
| A．you ask for | B．ask for | C．asking for | D．to ask for |