A woman in her 60s gave birth to two test tube babies three years ago, after her only daughter died of gas poisoning.
| A．slightly | B．eventually | C．approximately | D．directly |
"How many elephants did you see?" "_____".
| A．None | B．No one | C．Not many ones | D．No many |
I remember _____ word he said that day.
| A．all | B．both | C．each | D．every |
One of the students hasn't prepared _____ lessons very well.
| A．one's | B．ones | C．their | D．his |
His attitude to us is _____ of a comrade.
| A．one | B．it | C．that | D．those |
He was ill. _____ is why he didn't attend the meeting.
| A．This | B．It | C．There | D．That |