Mr Cooper wanted to buy the house and he told me that the house cost, it would be it.
| A．however; worth | B．whatever; worth |
| C．how much; worthy | D．what; worthy of |
As _____ matter of fact, basic gardening is so easy to achieve that even people with physical handicaps can garden.
| A．an | B．the | C．/ | D．a |
They travelled around _____ Changchun by _____ bus.
| A．the, / | B．/ , a | C．/, / | D．the, a |
John rushed out in a hurry, _____ the door _____ .
| A．leaving; unlocked | B．leaving; unlocking |
| C．left; unlocked | D．left; unlocking |
Please come to visit me if _________________.
| A．you are convenient | B．it is convenient of you |
| C．you are for convenience | D．it is convenient for you |
---Why do you look so sad?
---There are so many problems_______.
| A．remaining to settle | B．remained settling |
| C．remaining to be settled | D．remained to be settled |