------Do you know if Linda is willing to take charge of the program? ------____,does it?
Although the working mother is very busy, she still______a lot of time to children.
.We consider__________the Great Wall this summer holidays.
.Three-fourths of the surface of the earth_________sea.
Mary as well as her sisters____________Chinese in China.
The weather was great and the people were friendly—_______ a perfect trip.