It is no longer a question now man can land on the moon．
A．that B．if C whether D what
The police managed to gain through an upstairs window.
| A．approach | B．way | C．access | D．passage |
This is a very cute dog. I’ll take it,.
| A．how much may it cost | B．how much it may cost. |
| C．however much it may cost | D．no matter how it may cost |
I have told them withcertainty there’ll be no change of policy.
| A．actual | B．proper | C．direct | D．absolute |
We had hoped that you would be able to visit us, but you.
| A．didn’t | B．hadn’t | C．wouldn’t | D．would not have |
Do you know that a living cell can be for a thousand years if the temperature is right?
| A．spared | B．protected | C．preserved | D．developed. |