________ twice, the postman refused to deliver our letters unless we chained our dog.
| A．Being bitten | B．Bitten |
| C．Having bitten | D．To be bitten |
—His work is well done in __________ way.
—Yeah, if his colleagues (同事) had not been in __________ way, he would have done his work better.
| A．the; the | B．a; a |
| C．a; the | D．the; a |
—Can you keep an eye on my bag? I need to go to the washing closet.
— __________. It'll be safe with me.
| A．It's my pleasure | B．Never mind |
| C．Go ahead | D．Forget it |
—What a noise! I can hardly stand it.
—It __________ as if they are having a party next door.
| A．looks | B．sounds | C．feels | D．happens |
—But I don't know how to play the piano.
— __________.
| A．So do I | B．Neither will I |
| C．Me too | D．Neither do I |
He tried his best to solve the problem, __________ difficult it was.
| A．however | B．no matter |
| C．whatever | D．although |