________ (,) the proposal concerning health food production was rejected for the lack of fund required.

Some scientists believe that is no doubt a cure for AIDS will be found.

What did Sam say just now?–He said he ______ at that time.

The relationship ___________/bi’twi:n /Chinese and African people is important.

Do you have any plans for the winter holiday?— Since you are crazy about music, why not go to some ________ concerts?