—Can I speak to Mr. Wang, please?—________
The girl behaved in a strange way. You could not________her mind.
Mr. Black must be worried about something. You can________it from the look on his face.
When the lawyer asks you questions about the case, you should be________.
—How many days are there in February?—________thirty days.
Tom is________a common worker. How disappointed his parents are to see he hasn't gained great achievements!