Thanks to the internet, different kinds of information ________in a short time.

A. can be learned  B. has been learned   C. can learn  D. has learned 

Each year quite a lot of food ______ around the world. It’s really time for us to do something.

A. was wasted      B. is wasted    C. wasted          C. will be wasted

—Have you finished your project?

—Not yet. I’ll finish it if I _______ ten more minutes.

A. give   B. am given  C. will give  D. will be given

 —It’s difficult to get to the other side of the river.

—I think a bridge         over the river.

A. should be built   B. should build   C. will build   D. has built

 —Excuse me, sir, smoking _________ in the gas station.

— Oh, I'm really sorry.

A. doesn't allow            B. isn't allowed       C. aren't allowed

The song reminds me of my old school days as soon as it ______.

A. is played          B. plays       C. will be played                D. will play

 Many buildings in Lushan ____ in the earthquake on April 20^th. It will surely be reconstructed(重建) more beautifully.

A. have destroyed   B. are destroyed   C. were destroyed   D. are destroying

 Lots of food and water         Ya’an, Sichuan Province immediately after the earthquake happened.

A. were sent     B. are sent       C. send     D. SENT

A lot of trees _____around here every year，and we can enjoy fresher air now．

A．were planted        B．are planted             C．will plant      D．are planting

—Do you know Earth Day?

—Sure. It         in 1970 to tell us to protect our planet.

A. sets up                     B. set up                       C. is set up                   D. was set up