We were two hours late that day, which was due to the _________.
| A．crowded traffic | B．crowded traffics | C．busy traffic | D．busy traffics |
My goodness. How lucky we are! If there had been places for us on that aero-plane, we ________dead now.
| A．will be |
| B．would be |
| C．would have been |
| D．had been |
Onflight would be delayed, we made other arrangements.
| A．being informed |
| B．informed |
| C．informing |
| D．having informed |
Because of climate change, the ice that polar bears depend on for survival.
| A．are slowly disappearing |
| B．is slowly disappearing |
| C．are slowly disappeared |
| D．have slowly disappeared |
—Did you tell Jack that you’d already got a job?
—Oh, no. I forgot. I him now.
| A．am going to call |
| B．will call |
| C．call |
| D．am calling |
—Good morning, sir. Can I help you?
—I’d like a barbecue together with a cup of orange juice. How much do you ?
| A．pay |
| B．offer |
| C．owe |
| D．charge |