– Tom has made great progress in spelling.– So he has and _____.
They began to think about what use could be _______ such materials.
Do you know the difficulty he has what eco-travel means?
we first heard of the man referred to as a computer specialist in software.
— Good morning , May I help you ? — No, thank you. I’m just looking around. — .
— Susan! Shall We go out for a picnic this weekend? — Oh,with all this work ______, I don’t know if I’ll have time to go out.