【单选题】You’d better have that bad tooth____ our. A. pull B. to pull C. to be pulled. D. pulled
【简答题】Old houses have been pulled down to ______ greenery.
【单选题】This old building is ______ in about two weeks.
【单选题】The buildings in the old market have been pulled down to make ________ for a new park in our city. [ ]