--Who did you ___ in the street last Sunday?---Lin Tao, a good friend of mine.
Since the beginning of this term, I’ve made _____________ in my English study.
---- How often do you eat out? // ---- __________ , but usually once a week.
The lady said she would buy a gift for her daughter with the .
The visiting professor giving lectures to students invited to meetings at times.
---- I’ll be away on a business trip. Would you mind looking after my car? //---- Not at all. .