Even though she much, the woman multimillionaire insists on working as a street cleanser to set her children a good example.
| A．doesn’t pay | B．isn’t paid | C．hasn’t paid | D．hasn’t been paid |
Anything worth ______ is worthy of ______.
| A．doing, doing | B．doing, being done |
| C．being done, to be done | D．to be done, being done |
---Will the Smiths go abroad this summer?
---No, they finally decided _______.
| A．to | B．not going | C．not to | D．not to be going |
The patient was warned _______oily food after the operation.
| A．to eat not | B．eating not | C．not to eat | D．not eating |
Charles Babbage is generally considered _______the first computer.
| A．to invent | B．inventing | C．to have invented | D．having invented |
The matter had better _______ as it is.
| A．leave | B．being left | C．leaving | D．be left |