It was at the very beginning ______ Mr Smith made a decision _____we should send for a doctor.
274. Believe it or not, two ____ is worth an egg.
273. Which of the following is not a container?
272. When the police searched the village, they caught the two ____ that had stolen something from the shop.
271. What kind of drink would you like, coffee or orange? We can also use ____ instead of the underlined word.
270. The main task of the government is to reduce the level of inflation (通货膨胀). The word "task" means ______.