You must ride your bike           the right side of the road．

A．at                        B．on                       C．in                          D．for

Can you imagine what life will be like in           time?

A．20 years'              B．20 year's                 C．20-years'                D．20-years

The air in the countryside is          ．So many people from the city go there on weekends．

A．soft                     B．pretty                    C．fresh                     D．delicious

There           a lot of rain in this area in August every year．

A．is                        B．was                     C．are                         D．were

The children           a P.E. class on the playground when it suddenly began to rain．

A．have                    B．are having              C．had                D．were having

I tried several jackets on，but           of them looked good．

A．both                      B．either                    C．none                      D．neither

          wonderful movie! We like it very much．

A．What                    B．What a                   C．How                    D．How a

Susan will not arrive at the airport off time           she hurries up．

A．once                     B．if                         C．when                     D．unless

David jumped           in the long jump．He won the game!

A．longest                   B．farthest                 C．fastest                   D．highest

Nick           a new camera．He has taken lots of pictures with it．

A．buys                     B．is buying                C．bought                   D．will buy