【正文】
ic. The mechanic his old car. has repaired These exercises books will be corrected in an hour. Someone these exercises books in an hour. will correct live in/at be surrounded by 一般現(xiàn)在時 定語從句 hundreds of e from walk through the woods keep + sb./sth. adj. ask sb. to do sth. sb. be asked to do sth. 現(xiàn)在完成時的被動語態(tài) have/has been done Someone has asked visitors to keep the woods clean and tidy. People have placed litter baskets under the trees. Their rubbish is still thrown everywhere by people. go for a walk make sb./sth. adj. be covered with will be prosecuted Homework