Science is really _______ useful sucject although it is very difficult.
| A．an | B．a | C．the | D．/ |
—_____ do you _____ the book?
—It’s very interesting.
| A．What; like | B．What; think of |
| C．How; think | D．How; think of |
Mrs. White _____ her wallet now, but she can’t ______ it.
| A．is looking for; find | B．finds; look for |
| C．is looking for; finds | D．looks for; finding |
Tom often _____ TV on Saturday evenings, but now he _____ stories.
| A．watches; is reading | B．is watching; reads |
| C．looks; is reading | D．watches; is looking |
—_____ do you like science?
—Because it’s interesting.
| A．What | B．When | C．Which | D．Why |
—You must _____ a letter to your mother tomorrow.
—Well, I will, Dad.
| A．write | B．to write | C．write to | D．writing |