—Why does the lake smell terrible ? --because large quantities of water ____.
—Have you heard of _______ death of Nelson Mandela? —Yes. It is indeed _______ loss to the world.
一There’s a new movie on at the weekends.Shall we go on Saturday or Sunday?一____.‑. Either day is OK for me.
An underwater hotel has opened in Africa,with its rooms_on the bottom of a three-level floating building.
Some scientists say that the tomato is technically a fruit,__it is eaten as a vegetable.
We think anyone whose careless actions_____serious results should be punished.