Isn’t that Ann’s husband over there ?— No, it _______ be him— I’m sure he doesn’t wear glasses.

If city noises _____ from increasing, people _____ shout to be heard even at dinner table 20 years fromnow on. [ ]

What was the way George thought of _____ enough money to buy the house ?[ ]

下列句子中，划线的传统礼貌称谓使用正确的一句是

Intermsoftheknowledgeofscience,fewstudentsinourclasscanreally______Christopher.[ ]