6 He is quite sure that it’s impossible for him to finish the task within two days

I want to see him _____he arrives. Which of the following is wrong? [ ]

Mrs Biggs ________the meeting this morning.Do you know why—Yes.She went to Shanghai on business the day before yesterday and she won’t be back until tomorrow.

I think we should buy a car so that it will beconvenient for us to go to work.—______, but do you think we have so much money

_______, I lost heart in English learning, but my teacher said to me, “Keep on working hard, and you’ll succeed ________.”