People were running in all directions ________ pieces of glass were falling down.
| A．while | B．when | C．as | D．since |
The food smells ________, so do not eat it any more, Jack.
| A．terrible | B．terribly | C．awfully | D．well |
I’m very happy that my lost pet bird arrived home ________ a snowy morning .
| A．to | B．at | C．in | D．on |
Timmy is ________ honest boy, he never tells a lie.
| A．a | B．an | C．the | D．/ |
—Happy birthday! — ___________________.
| A．Thank you | B．You are welcome |
| C．That’s all right | D．OK |