1、Unit 3Section .用所给词的适当的时态、语态形式填空1They _have_sold_(sell) ten apartments in the past one hour.2Prices _have_fallen_ (fall) sharply over the past six months.3He _has_already _been_asked_(ask) to help you.4The company _has_made_(make) its workers work hard recently.5A notice _has_already _been_put_up_ (
2、put up) on the wall.6Since we realized that we should study hard，our time_has_been_made_(make) full use of.7These streets _havent_been_swept_(not sweep) for two days.8How long _has_the book_been_kept_ (keep) ?9This old photo _was_taken_(take) ten years ago.10These goods _havent_been_shipped_(not shi
3、p) abroad yet.将下列句子改为被动语态1They have just connected the printer to the computer._The_printer_has_just_been_connected_to_the_computer(by_them)_2We have planted many trees on the hill in the last five years._Many_trees_have_been_planted_on_the_hill_in_the_last_five_years(by_us)_3Tom hasnt sold out all the magazines._All_the_magazines_have_not_been_sold_out(by_Tom)_4Have you found ways to make waste water clean?_Have_ways_been_found_to_make_waste_water_clean(by_you)？_5She has already returned this book to the library._This_book_has_already_been_returned_to_the_library(by_her)_
