---Jenny,will you leave for the USA now?---No. It will be two weeks________I leave here.
If you don’t know a word, you may ______ in a dictionary.
--- ______ do you improve your listening skills? --- I improve it _______ listening to tapes.
_____the old lady is seventy years old ,_____is still lively.
___students will take part in the sports meeting and _____them is over three hundred.
—Can you play volleyball? —Yes, ________.