---Are you going to see the film with us?
--- I’m not sure. I go to the concert instead.
| A．must | B．would | C．should | D．might |
—It seems that you know Dr. John very well.
—Of course, we ________ together for five years in the 1990s.
| A．have worked | B．had worked |
| C．are working | D．worked |
A recent survey shows the number of people who shop in stores ________， while far more are shopping online.
| A．decrease | B．decreases |
| C．is decreasing | D．are decreasing |
I won't buy this iPhone unless the price ________ to under 2,000 yuan.
| A．reduces | B．will be reduced |
| C．has reduced | D．is reduced |
I ________ for Beijing next Saturday. Do you know when the earliest plane ________ on Saturday?
| A．am leaving; takes off |
| B．Leave; takes off |
| C．leave; is taking off |
| D．am leaving; is taking off |
Egg prices usually ________ in spring when they are most plentiful.
| A．are dropping | B．drop |
| C．have dropped | D．will drop |