A.that it was disappearing
B.but it had disappeared
C.when it disappeared
D.than it has disappeared

A.argument
B.discussion
C.controversy
D.debate

A.Assuming
B.Assumed
C.To assume
D.Having assumed

A.His clothes looked clean and of good quality but they were old and worn.
B.No matter what good quality his clothes had, they looked old and worn.
C.His clothes, though old and worn, looked clean and of good quality.
D.He was fond of wearing such old and worn clothes because they were of good quality.

A.His clothes looked clean and of good quality but they were old and worn.
B.No matter what good quality his clothes had, they looked old and worn.
C.His clothes, though old and worn, looked clean and of good quality.
D.He was fond of wearing such old and worn clothes because they were of good quality.

A.If they had breakfast, they wouldn't be hungry now.
B.If they had breakfast, they would have been hungry now.
C.If they had had breakfast, they wouldn't be hungry now
D.If they had had breakfast, they wouldn't have been hungry now

A.place of living
B.rituals
C.usual behaviour
D.favourite activity

A.place of living
B.rituals
C.usual behaviour
D.favourite activity

A.owing to
B.regardless of
C.as regards
D.in respect to

A.DNA studies offer one of the best ways in future to provide clear evidence.
B.three methods of gathering evidence are mentioned in the passage.
C.the multi-regional model goes back further in history.
D.the Out of Africa model has had more support from scholars.