I'm sorry you've been waiting so long, but it'll still be some time ________ Sundance gets back．

A．until

B．before

C．after

D．since

－Have you been to Liuyang?

－No, I'd like to, ________．

A．too

B．either

C．yet

D．though

A new bridge ________ across the river in Changsha and it is expected to open next year．

A．is built

B．is being built

C．are built

D．has been built

________ entering the classroom, remember to take your seat and turn off your cell phone．

A．At

B．From

C．Upon

D．As

I worked as hard as I could ________ for the final exam．

A．to prepare

B．prepare

C．preparing

D．prepared

Not only I but also Jane and Mary ________ tired of doing the same thing all the time．

A．is

B．are

C．am

D．be

Getting ________ in the forest is very dangerous．

A．losing

B．to lose

C．lost

D．being lost

Learning that their only son was sound and safe after 72 hours of search put the family ________．

A．in a mess

B．in order

C．at home

D．at ease

This is a new ________ to language teaching, which can stimulate(激发)students' interest to learn the language．

A．approach

B．means

C．method

D．way

“Thanks” is an expression ________ used to express one's gratitude to someone for something he has done for you．

A．commonly

B．ordinarily

C．regularly

D．occasionally