—Could I use your phone? —Yes, of course you ____ .

It is usually warm in my hometown in March, but it ____be rather cold sometimes.

—You                      praise your son. He works harder than before. —Thanks, I will.

It’s said that there are plenty of hotels in that town. There _____ be any difficulty for you to find one to stay in.

—The similarities between social networks are striking.—That ________ come as no surprise，because they are all products of the Internet.