Everything around us is ____ solid ..liquid ____ gas.
| A．not .. .but... | B．either.. .or... | C．neither.. .nor... | D．whether.. .or... |
Selecting a mobile phone for personal use isn’t an easy task because technology___so rapidly
| A．is changing |
| B．has changed |
| C．will have changed |
| D．will change |
Hurry up!The train___.You know it___at 8:30 a.m.
| A．leaves;leaves |
| B．is leaving;leaves |
| C．leaves;is leaving |
| D．is leaving;is leaving |
Just use this room for the time being,and we’ll offer you a larger one___it becomes available
| A．as soon as |
| B．unless |
| C．as far as |
| D．until |
—Sorry,Joe,I didn’t mean to…
—Don’t call me”Joe”,I’ Mr Parker to you,and___you forget it!
| A．do |
| B．didn’t |
| C．did |
| D．don’t |
Visitors___not to touch the exhibits
| A．will request |
| B．request |
| C．are requesting |
| D．are requested |