it的用法考点精编陷阱题训练1. why shouldn’t i buy a new coat — i haven’t bought _____ for five years. a. it b. that c. one d. which2. he made _____ known to his friends that he didn’t want to enter politics. a. that b. itc. himself d. him3. it used to be thought _____ the earth was flat.a. as b. whenc. since d. that4. the parkers bought a new house but ______ will need a lot of work before they can move in. a. they b. it c. one