— Mary had an accident on her way to home yesterday.— ? She is always careful.
Don’t blame your brother. He had____reasons for not supporting you.
David, you _____play with the valuable bottle; you_______ break it.
Zhangqiang is said ______ the experiment in the lab, but I can’t find him there.
I’ll go to meet you if I ________ free then.
Jane helped me with my work last week when I asked for leave. ______, I’ll invite her to have dinner with me.