There is also a fierce debate over the question ______ human cloning experiments should be allowed.
| A．that | B．what | C．which | D．whether |
Having failed in many attempts,the bird _____managed to escape from the cage.
| A．suddenly | B．naturally |
| C．immediately | D．eventually |
— Oh,you haven’t read my e-mail?
—Sorry,I haven’t had any____ to the computer these days.
| A．aids | B．basis |
| C．access | D．beliefs |
____house in this district has heating in winter seasons.
| A．No any | B．Not every |
| C．Not all | D．All not |
I have been fortunate to find a career that I love and ____ ,I can walk to work within 10 minutes.
| A．what is more | B．in other words |
| C．as a result | D．on the contrary |
_____the climate changes so much has caused many discussions among the scientists.
| A．What | B．Which | C．When | D．That |