Mr. White ________ at 8∶30 for the meeting, but he didn't show up.

[　　]

We were told that we should follow the main road ________ we reached the central railway station.

[　　]

--Someone's been here. Who ________ it be? It looks like Helen.

--It ________ be her. She is ill in hospital.

[　　]

The lady took out some ________ pork from the fridge and cooked it in the kitchen.

[　　]

They will send you the book for 2.75 dollars, postage ________.

[　　]

She didn't answer the phone. She ________ be asleep.

[　　]

Mary's coming back last night gave us ________.

[　　]

--Excuse me. Is this the right way to the Summer Palace?

--Sorry, I'm not sure. But it ________ be.

[　　]

I don't believe him; he ________ be serious.

[　　]

Tom, don't worry. You ________ get the book tomorrow morning.

[　　]