Could you please tell me ________?
Mr. Lee looks pale. After all, he has lost lots of ________ in the accident. A. drugs B. blood C. support
The street is so dirty that we can see litter ________. A. everywhere B. somewhere C. nowhere
-- Thank you for giving me so much help!-- ________A. It’s a pleasure.B. It doesn’t matter.C. It’s fun.
The air pollution is serious, ________ we must try our best to reduce it. A. so B. or C. if
--The river used to be clean. How does it become dirty? -- There are many factories ________ waste water into it. A. pouring B. pour C. poured