— What on earth are the police busy with?— They _____into how the plane crash came about.
—What a beautiful picture you’ve drawn! ---_.
--Mr.Smith is very strict his students,isn’t he? --Yes,he is.He is strict_work as well.
—Do you have enough to_all your daily expenses? —Oh,yes,enough and to spare.
I________all the cooking for my family,but recently I've been too busy to do it.
—Why weren’t you at the meeting? —I____ for a long distance call from my sister in America.