The engineers have rejected the employers' proposals to end the strike and the other workers have come out in _____.
| A．opposition | B．return | C．sympathy | D．readiness |
—What was the party like?
—Wonderful. It' s years _____ I enjoyed myself so much..
| A．after | B．when | C．before | D．since |
--- Ouch! You hurt me!
--- I am sorry. But I _____ any harm. I ____ to drive a rat out.
| A．didn’t mean , tried | B．don’t mean , trying |
| C．haven’t meant , tried | D．didn’t mean, was trying |
I’m calling about the apartment you ____ the other day. Could you tell me more about it ?
| A．advertised | B．had advertised |
| C．are advertising | D．will advertise |
We _____ on this project for four hours. Let’s have a rest.
| A．are working | B．have been working |
| C．worked | D．had worked |
Experiments of the kind ____ in both the U.S. and Europe well before the Second World Wall.
| A．have conducted | B．have been conducted |
| C．had conducted | D．had been conducted |