He pretended_____ when he met a bear.
| A．dead | B．be dead |
| C．die | D．to be dead |
Can you find _____ in the sky?
| A．something strange | B．strange something |
| C．anything strange | D．strange anything |
---Show me your homework, Dave.
----Sorry, Mrs Brown. I’ve_____it at home.
| A．missed | B．forgotten |
| C．lost | D．left |
While listening in class, you should concentrate ____ your teacher.
| A．at | B．to | C．for | D．on |
Schools don’t allow ______ answers in the exam.
| A．copy | B．to copy |
| C．copying | D．copied |