Would you like_________ apple? (an)
Can I have __________ coffee? (some)
I have ______ sweets. (a lot of)
Where are the children? – They ___ in the living room. (are playing)
They _______ their work a month ago. (started)
Peter likes sport. He __________ football every day. (plays)
They _______ from Moscow. (have just returned)
Next week the young explores_____ the valley of rubbish.(will clean)
The students________ do their homework every day. (have to)
He has a sore throat, so he __(will have to) go to the doctor tomorrow.