In this experiment, they are woken up several times during the night, and asked to report what they _____.
| A．had just been dreaming | B．are just dreaming |
| C．have just been dreaming | D．had just dreamt |
She _______down her book and ________in bed.
| A．lay; laid | B．laid; lay |
| C．lay; lay | D．laid; laid |
There is little time left, so the chairman asked me to __my speech to 20 minutes.
| A．make | B．give | C．limit | D．explain |
Great changes _______ in his hometown in the last twenty years.
| A．were taken place | B．have taken place |
| C．have been taken place | D．took place |
--- How is the lecture going?
--- The lecture has ended. You’re ________.
| A．too much late | B．much too late |
| C．too late much | D．late too much |
An increasing number of people ________ the importance to physical exercise.
| A．attach | B．appreciate |
| C．combine | D．permit |