The guide told us that he would organize some business men abroad＿＿＿next week. 

His parents，_________，did not look after him very well—the elbows of his jacket were patched and his boots were badly worn.

The rapidly growing birth rate brings about a lot of environment problems, which the government is supposed to take _____.

 It’s too late to set out to see a film now. _________, we have a lot of homework to do.

Two middle-aged passengers fell into the sea. _______, neither of them could swim.