Cathy, did you attend the lecture given by Mr Black last night?—NoI ______ a report at the office

Iraq has ______ too many wars in the past ten years. [ ]

are three girls in the room, ________is Tom’s sister.

The play nextmonth aims mainly to reflect(反映) the local culture．

It seems that you are really suffering from a bad coldHow long have you been like this?—Since last weekWhen the weather turned cold, I ________ more clothes.[ ]