People have planted a great many trees in order to ____wind and sand in the desert.
It____ ten years ______ I graduated from university.
--Your father is sleeping. Don’t ______, will you? --No, I won’t.
______ it is to have a cold drink after an _______ game!
--When ______CAAC flight 92 _______? --Just a minute and I’ll check the timetable.
Congratulations! You _____ in English this term.