Look at _________ eraser on the floor.
| A．a | B．an | C．the | D．/ |
We _____ more than 1,600 words since we began to learn English.
| A．learn | B．have learned |
| C．learned | D．are learning |
We have a lovely room. It’s one of _____ in the hotel.
| A．nice | B．nicer |
| C．nicest | D．the nicest |
I have been to London. I _____ there last month.
| A．go | B．went |
| C．have gone | D．will go |
— Could you tell me how _____ cakes? — Sorry, I don’t know.
| A．make | B．making |
| C．to make | D．made |