According to a UN report，one third of the world population have no _________ to clean drinking water and health care.
| A．means | B．approach | C．channel | D．access |
“What do you think of them?” “I don’t know _____ is better, so I’ve taken _____ of them.”
A. what, both B. what, none
C. which, both C. which, none
______is known to us, he is the top student of our class.
| A．It | B．As | C．This | D．That |
She asked the doctor to speak to her parents on her___.
| A．aspect | B．behalf | C．appearance | D．background |
I feel it is your husband who____for the spoiled child.
| A．is to blame | B．is going to blame | C．is to be blamed | D．should blame |
The flood started and we had to_____higher ground.
| A．seek | B．search | C．discover | D．invent |