Someone wants you on the phone,—-____________nobody knows I am here.

It is said that ______ bridge was built in ______ Ming Dynasty.

It’s hard work to achieve a balance between schoolwork and hobbies.–So it is, but we have to.

are very ______: they can live in forests, onopen plains, or in the snows of the Arctic

10,000 dollars is a large sum of money，but it is still ______than we need for a new house