. I gave all the newspapers to them and left ____, though I didn’t have ____ 
at that time.
| A．nothing; much | B．nothing; many | C．none; much | D．none; many |
John, you must get your room ________ after breakfast.
| A．to be cleaned | B．to clean | C．cleaning | D．cleaned |
He reached the station _____ only _____ that the train had just left.
| A．tired；learned | B．tiring；learning | C．to tire；to learn | D．tired；to learn |
——We can never forget the days _______ the two astronauts in spaceship worked together and the days ________ we spent together.
| A．when; which | B．which; when | C．what; that | D．on which; when |
The housewe used to livehas been rebuilt．
| A．where；in | B．which,／ |
| C．in that；／ | D．in which；／ |
In an experiment, pet owners are being encouraged to take their pets to work, a move _______ can be good for both the people and the pets.
| A．that some scientists say | B．in which some scientists say |
| C．some scientists say that | D．some scientists say |