will you do during thesummer holiday” — “I don’t know, but it’s high time _____something.”

st keep her mind on her medical studies now, so it would be years ______ shecould think about marriage

How long have your parents ____________—For about 15 years.

I like coffee with nothing in itHow about you?—I prefer coffee________sugar

What language(语言) can youspeak—-______.