— David promised to come round to have supper with us today.

— But he ____. I’ve been alone for half an hour.

— David promised to come round to have supper with us today.

— But he ____. I’ve been alone for half an hour.

— David promised to come round to have supper with us today.
— But he ____. I’ve been alone for half an hour

1. A.
   won’t
2. B.
   hadn’t
3. C.
   hasn’t
4. D.
   doesn’t

— David promised to come round to have supper with us today.

— But he ____. I’ve been alone for half an hour.

A．won’t            B．hadn’t           C．hasn’t               D．doesn’t

— David promised to come round to have supper with us today.
— But he ____. I’ve been alone for half an hour.