— I have got a headache.
— No wonder. You___________in front of that computer too long.
| A．work | B．are working | C．have been working | D．worked |
—Could you give these books to Mr. Black?
—Absolutely. __________ him at five o'clock this afternoon.
| A．I will have a talk | B．I have a talk with |
| C．I can have a talk with | D．I will be having a talk with |
You can't miss him. He __________ a dark green suit and a yellow tie waiting for you.
| A．is wearing | B．will wear |
| C．wears | D．will be wearing |
She is not used to __________ like that.
| A．speak to | B．spoken to |
| C．speaking to | D．being spoken to |
The new rule has been working effectively since it __________.
| A．comes into existence | B．was come into existence |
| C．came into existence | D．was coming into existence |
As a result, these endangered animals may even __________.
| A．die away | B．die down | C．die out | D．die off |