It’s so nice to hear from her again. ______, we last met more than thirty years ago.

Our teacher taught us that water ___ at zero degree centigtade

reported that there is going to be a heavy rain,so I am forced to __ my visit

Gaddafi’s failure in Sirte _________ him the last opportunity to reestablish the government.

egular training in nursing,she could hardly cope with the workat first