步骤三 练习

4. In the near future, more advances in the robot technology________ by scientists.

A．are making B．are made C．will make D．will be made

5. She was ________the bike for 20 dollars，but she wouldn't take it.

A．provided B．supplied C．offered D．gave

6. The missing boys were last seen ________near the river.

A．to sing B．singing C．to be singing D．sing

7. Before she realized what happened，she got ________ on the head and lost consciousness.

A．hit B．to be hit C．hitting D．hitted

8. You've failed to do what you ________to and I'm afraid the teacher will blame you.

A．will expect B．will be expected C．expected D．were expected

9. The church tower which ________will be open to tourists soon. The work is almost finished.

A．has restored B．has been restored C．is restoring D．is being restored

4. D 5. C 6. B 7. A 8. D 9. D