_____ to have lunch with us today?
---Long time no see. Haven’t you graduated from university? ---Yes. I _______ English for four years in Wuhan.
---Would you join us in the summer camp? ---________, you see.
After a discussion they agreed to accept _______ they thought ______ the job.
Even if the treatment ________, there is still no magic pill for the patients in the last stage of AIDs.
In that supermarket on sale is a new type of computer, _____ low price makes it attractive to the students from poor families.