—Where's your mother， Helen?                      

—She_____the flowers in the garden.

• A、waters

• B、is watering

• C、watered

• D、has watered

What have scientists achieved in dealing with floods?

• A、They have prevented many rivers from flooding.

• B、They have reduced the damage caused by floods.

• C、They have learned much about conditions for flooding.

• D、They have found most of the ice damson the river.

Dear Tim，

                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

Looking forward to your coming.

 

 

Yours，

LiHua