You can use a large plastic bottle, ________cut off, as a pot to grow your plants in.
| A．the top is | B．the top of which | C．whose top | D．with its top |
Is this school ____ you studied at ten years ago?
| A．which | B．that | C．where | D．the one |
What the boy ____ make his friends happy.
| A．does did | B．did did | C．do do | D．do does |
----Where is Mary?
----At ____.
| A．Mr. Brown's | B．the Browns | C．Mr. Browns | D．the Mr. Browns' |
----Where ____ the dictionary? I can't see it anywhere.
----I ____ it right here. But now it's missing.
| A．did you put; have put | B．have you put; put | C．had you put; was putting | D．were you putting; have put |
Five apples are not enough for them, they need ____.
| A．three another | B．three other | C．three more | D．three more than |