He traveled from place to place , social problems of all kinds .
| A．making out | B．seeing to | C．going over | D．looking into |
is known to us all, Germany is ______ European country.
| A．It; an | B．As: a | C．It; a | D．As; an |
The club welcome all new members ________ age.
| A．despite | B．regardless of | C．though | D．while |
The nutrients in ________ falls into the ocean quickly become available to other living things.
| A．what | B．that | C．whatever | D．which |
AIDs is a disease that _______ the body”s immune system.
A breaks out B. breaks into C. breaks down D. breaks up
Word came ________ the present would be shown around Zunyi.
| A．that | B．what | C．whether | D．if |