Can you tell me how ________ the problem ?
| A．did solve | B．to solve | C．solving | D．solved |
Mary, ______ girl, wants to be a doctor.
| A．a 8-year-old | B．an 8-years-old |
| C．an 8-year-old | D．a 8 years old |
Our teacher always helps us ______ our English.
| A．for | B．into | C．on | D．with |
--- _____ do you ______the book?
--- It’s very interesting.
| A．What; think of | B．What; like |
| C．How; think | D．What; think |
Trees are animals’ homes, so we shouldn’t ________.
| A．cut down them | B．cut they down |
| C．cut them down | D．cut down they |
– _______ does he likes giraffes?
-- Because they are ______.
| A．What; ugly | B．Why; smart |
| C．Why; terrible | D．How; scary |