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15.He feels ________ duty to help others.A.that he B.that his C.it he D.it his16.Take ________ easy. The roads are icy.A.it B.them C.us D.you17.The TV sets made in China are much better than ________ in Japan.A.that B.those C.them D.It18.—— Have you found the bike you lost yesterday? —— Yes, I39。ve found ________ already.A.it B.that C.the one D.that one19.—— I39。m looking for a flat. —— Would you like ____ with ____ garden?A.it。 the B.it。 a C.one。 a D.one。 the20.________ was ________ who I met in the museum this morning.A.It。 him B.It。 he C.That。 he D. That。 him21.It was in the rice fields ________ we had our League meeting.A.where B.that C.in which D.on which 22.________ you e to the party so late?A.Why is it B.Why it isC.Why it is that D.Why is it that23.—— Were all three people in the car injured in the accident —— No, ___ only the two passengers ___ got hurt.A.they were。 that B.there was。 thatC.it was。 who D.there are。 who 24.I don39。 t think ________ possible to master a foreign language without much memory work .A.this B.that C.its D.it25.It was not ________ she took off her glasses ________ I realized she was a famous film star.A. when。 that B. until。 that C. until。 when D. when。 then was not until 1920 ____ regular radio broadcasts began.A.while B.which C.that D.since27.________ is a fact that