—My daughter lived in France for five years and now she's working in a foreign company.—______is no wonder that she speaks such excellent French.

 Do you have any idea when the project will be carried out?—No, but I have heard that it was not until last month _______ it was approved.

Rather than ___ on a crowded bus, he always prefers _____ a bicycle.

Here _____. This is our classroom.

—What is the new bridge like?—Well，it is now________of the old one.