—Tom graduated from college at a very young age.

—Oh, he ________ have been a very smart boy then.

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I often see lights in that empty house. Do you think I ________ report it to the police?

[　　]

—Isn't that Ann's husband over there?

—No, it ________ be him. I'm sure he doesn't wear glasses.

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It is ________ that the manager has promised us to attend the meeting.

[　　]

He has no more than forty dollars. Means ________ .

[　　]

It's always difficult being in a foreign country, ________ if you don's peak the language.

[　　]

Wait till you are more ________ .It's better to be sure than sorry.

[　　]

Can you believe that in ________ a rich country there should be ________ many poor people?

[　　]

It's often less expensive to buy goods in ________ quality, but you'd better examine ________ quality before buying them.

[　　]

—I hear that as many as 150 people were killed in the storm.

—Yes, ________ news came as ________ shock to me.

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