A smile costs nothing, but gives so ______.
| A．little | B．few | C．many | D．much |
Look at this tree! It is as ____ as the building.
| A．tall | B．too tall |
| C．taller | D．tallest |
This was not an easy decision. ____, it is a decision that we feel is our duty.
| A．Because | B．And | C．So | D．However |
The store sold off its summer clothes to ____ stock(进货) the winter ones.
| A．be ready to | B．be similar to |
| C．be different from | D．be up to |
—Do you know Xinkangfu Manor?
—Yes, it is a good place ____ to on weekends.
| A．go | B．to go | C．goes | D．went |
The book about countryside makes me ____ of my life when I was young.
| A．thought | B．thinking | C．think | D．to think |