---Look at the boy running on the playground. Is it David?
---It ________ be him. I saw him go to the teachers’ office just now.
A.mustn’t | B.can’t |
C.couldn’t | D.must |
There _______ a pen on the desk. It is a black pen.
A.are | B.is | C.am | D.be |
—Mum, my teacher, Mr. Wang. — Nice to meet you, Mr. Wang.
A.he is |
B.it is |
C. this is |
D.that is |
—John, what’s this _______ English? — It’s a computer.
A.at | B.of | C.for | D.in |
This is ___ map and that is ____ orange.
A.a, a | B. a, an | C.an, a | D.an, an |
---The blue pen is mine. ________ this dictionary?
---It’s hers.
A.What color is | B.What’s |
C.Who is | D.What about |