—Look! The lake is clean. I never throw litter into it.
—If everyone does this, it would be ________.
| A． |
dirtier |
B． |
the dirtiest |
C． |
cleaner |
D． |
the cleanest |
--- Where ___________ your pen pal from? --- The United States.
| A．does | B．do | C．is | D．are |
--Your jacket is very nice.
---___________.
A. Where? B. No. C. Thank you.
I _____a girl and Tony______ a boy.
A.is ; am,B. am ;isC. am; are
---________,is this your book?
A. Sorry B.Excuse me C. Thank you
—This is my brother.
---What’s _________name?
A. her B .his C. your