For everyone's safety, we ________ a1ways remember the law against driving after drinking．

A．could

B．should

C．might

D．would

Everyone, including her parents, ________ the Wolf Hill, and they will be back this afternoon．

A．has gone to

B．have gone to

C．has been to

D．have been to

Wearing white can help people ________ when they feel stressed．

A．fall down

B．calm down

C．look down

D．come down

David didn't give up ________ he had failed in the experiment four times．

A．if

B．while

C．though

D．since

Lucy liked all the dresses there, but she took the ________ one to save as much money as possible for Project Hope．

A．cheaper

B．more expensive

C．cheapest

D．most expensive

Mandeep can go to school now．UNICEF has paid for her ________．

A．education

B．vacation

C．competition

D．invention

The second Sunday of May is ________ Mother's Day．It's ________ special day for children to show their love for their mothers．

A．a；the

B．the; a

C．不填；a

D．不填；the

Those eggs ________ , please throw them away．

A．smell good

B．are smelled bad

C．are smelled well

D．smell bad

E-mail me ________ Lucy @ sina．com or call me ________ 55888301．

A．on; on

B．at; in

C．to; for

D．at; on

You ________ to the meeting this afternoon if you have something important to do．

A．needn't to come

B．don't need come

C．don't need coming

D．needn't come