I suppose you are right. You’d better put it in a more polite way.A. doubt B. think C. disagree
Where _____ your pen pal _____ from ?
Emma ,can you introduce _______ to Alice ?I want to meet her .
Do you know ____________________?
The Blacks will be back from their holiday ______two days.
If he _____ free tomorrow , he ______ to see me .