All flights ______, we decided to take a train. A: were canceled B: had been canceled C: having canceled D: having been canceled

All the fights() because of the snowstorm, we had to take the train instead. A: were canceled B: had been canceled C: having canceled D: having been canceled

All flights _________because of the heavy fog, we had to decide to take the train. A: were canceled B: having canceled C: having been canceled D: have been canceled

The irrevocable L/C can（ ）. A: be amended or canceled without notice to the beneficiary B: be amended or canceled if the buyer notifies the seller C: neither be amended nor canceled without agreement of all parties D: be amended but not be canceled by an applicant

You may_________ or rearrange the appointment A: to cancel B: canceled C: cancel D: e canceled

It rained. _____, we canceled our picnic.

Your suggestion that the meeting (be)______canceled is reasonable.

Since it was cool and overcast, we canceled the picnic.

We all agree to the proposal that the contract ______ (be canceled).

All flights have been canceled because of bad weather.