There _______ less air pollution in the country .
| A．are | B．is | C．have | D．has |
–Hello, May I speak to Lucy?
--_________.
| A．Yes, I am | B．Do you know her |
| C．I’m speaking | D．This is Lucy speaking |
--What _______your dream home _______? -- It’s big
| A．is, like | B．does; like | C．is; look like | D．does; look |
–How many students are there in the classroom?
--_________.
| A．No one | B．Not | C．Nobody | D．None |
.Why don’t you________ Beijing duck?
| A．try | B．to try | C．trying | D．tries |