一Do you believe that paper is made ________ wood?
一Yes，I do．And you can see that books are made ________ paper．
| A．from；from | B．from；of |
| C．of；from | D．of；of |
—Who can help us with the cooking?
—Either Linda ______ Nancy. They are both helpful.
A. or B. and C. but
English is useful. Let’s try _______ best to learn it well.
A. us B. our C. ourselves
Welcome to our restaurant. Please have _______ seat.
A. the B. some C. a
Look! Many delicious foods are _______ sale.
A. for B. to C. in
A. pork B. worth C. afford