-- Whose French book is it?
-- It __________ be Lucy’s. Look! Her name is on the book!
| A．must | B．mustn’t | C．might | D．can’t |
______ honest girl she is!
A. How B. What C. What an
The girl_____ is standing under the tree is my sister.
A. which B. where C. Who
_____ a new library _____ in our school last year?
A. Was, built B. Did, build C. Is, built
Let’s try our best ________ the earth.
A protect B. to protect C. Protects
It is cold outside today. You’d better______ your jacket.
A. put on B. put up C. take off