— Do you know ______ girl who is standing under ____ tree?— Of course! She is Lucy, my classmates.
At the meeting the boss was explaining his plan while his secretary_________ the notes.
Mr. White spent about one hour and a half _________ the accident report yesterday evening.
To live a green life, we try_________ more energy and produce less pollution.
In recent years the environmental pollution has been _________ than before.
.It is said that a wooden bridge_________ over the river in the mountain village soon.