At first Bob was puzzled by Virginia s waving, but then it _____ his mind that she was trying to tell him something.
| A．crossed | B．passed | C．occurred | D．opened |
The joke told by Tom made us______, so our maths teacher couldn’t make himself______.
| A．laugh; hearing | B．laugh;heard | C．laughing; hear | D．laughed; to be heard |
.— Jenny looks hot and dry.
— So______ you if you had a high fever.
| A．will | B．do | C．are | D．would |
As you are now a member of our society we shall let you ______ our secrets.
| A．into | B．through | C．to | D．between |
_____ many times, she still didn't know how to do it.
| A．She was taught | B．Having taught | C．Having been taught | D．She has taught |
_____ many times, but she still didn't know how to do it.
| A．She was taught | B．Having taught | C．Having been taught | D．She has taught |