I like to visit pyramids, the Nile…I love Egypt very much. [ ]

Where is Miss Wang now?—Look, there she is! She __________ with many old people.

Do you know ______ this i-pad belongs to? —Let me see. Oh, it’s ______.

Look at the boy running on the playground. Is it David? —It ______ be him. I saw him go to the teachers’ office just now.

Will you go with us for an outing on Saturday?— I’d like to, but I am really busy these days. I can’t _______ a whole weekend.