Liu Yang is the first Chinese woman astronaut ______ has ever traveled in space.
| A．whom | B．which | C．who | D．whose |
Let’_____________now．
A．go to home B．to go home C．go home
________this your guitar?
A．Am B．Is C．Are
He__________his homework at schoo1．
A．doesn’t do B．don’t does C．isn’t do
Do you have two___________?
A．tennis racket B. tennis rackets C．tennis’racket
______．Is this your pen?
A．Sorry B．Hello C．Excuse me