. ____ to speak when the audienceinterrupted him.

Going out for tea with friends _increasingly popular during the past twenty years

(2013·高考北京卷)Many countries are now setting up national parks________animals and plants can be protected.

It was his strong sense of duty ________ made the manager decide to give the position to him. [ ]

Daniel，why are you so late? We _______ you would be here an hour ago— SorryI ________ know you were all here