—What was it that caused the party to be put off?
—________ the invitations.
| A．Because Tom delayed sending |
| B．Tom delayed to send |
| C．That Tom delayed sending |
| D．Tom delayed sending |
Waiter: Here is the steak you ordered. Please _________and enjoy yourself.
Customer: Thank you.
| A．take it easy | B．take your time | C．take your food | D．go right ahead |
Paper money was in _________ use in China when Marco Polo visited the country in _________13th century.
| A．the, / | B．the , the | C．/, the | D．/, / |
The audience was _____ very young children so there was a lot of noise while the concert was going on.
| A．made up from | B．made up for | C．made up into | D．made up of |
The chairman thought _____ necessary to invite Professor Smith to speak at the meeting.
| A．that | B．it | C．this | D．him |
She ______his number in the phone book to make sure that she had got it right.
| A．looked up | B．looked for | C．picked out | D．picked up |