Animal’s ability to act reasonably in its environment is believed to come partly from ______ we may call “genetic learning”.
A.how B.which C.what D.why
______ with the evidence, he had no choice but to admit his crime.
A.Facing B.Faced C.To face D.Being faced
The instant he finished his description, I knew it would be years ______ everything got right.
A.that B.before C.when D.since
The weather may not be fine tomorrow, in ______ case we’ll have to put the trip off.
A.whose B.which C.that D.the
William, one of the first man ______ the depths of the sea in a bathysphere, got interested in oceanography because of one book.
A.exploring B.having explored C.to explore D.to be explored
This kind of glasses manufactured by experienced craftsmen ______ comfortably.
A.is worm B.wears C.wearing D.are worn
