【推荐2】In many Asian, African and Latin American cultures, ________ (extend) eye contact is impolite and it is thought of as an offensive or a challenge of authority.(所给词的适当形式填空）

【推荐3】We walk along the road which ______________(extend) to the river. (所给词的适当形式填空)

【推荐1】The author said he was indeed concerned about this issue and that he______ (maintain) his argument. (所给词的适当形式填空)

【推荐2】I wasn’t sure whether the postman ______ (deliver) me the package on time.(所给词的适当形式填空)

【推荐3】He began to think that he ____________(save) eggs until they were in short supply. (用所给词的适当形式填空)