At minus 130℃, a living cell can be ______ for a thousand years.
| A．spared | B．protected | C．preserved | D．developed |
---Why not buy the beautiful necklace since you like it so much?
---I would but I _____ have enough money.
| A．didn’t | B．shouldn’t |
| C．don’t | D．hadn’t |
I was wondering _____ that he won his regulars back so soon.
| A．it was what | B．what was it |
| C．how was it | D．how it was |
These old pictures remind me of the college days_____ they spent together.
| A．that | B．when | C．in which | D．what |
---My goodness, who has had the tap water ______ ?
---Sorry, I ____ have it turned off at once.
| A．running; can | B．run; may |
| C．to run ; must | D．running ; will |
---_____ you always question everything I say?
---Sorry if I make you unhappy; but it’s my habit to question before I believe.
| A．Shall | B．Will | C．Must | D．Can |