When asked why he went there, he said he was sent there ________ for a space flight.
| A．being trained | B．training | C．to have trained | D．to be trained |
He followed the young lady all the way home，________ by her charming smile.
| A．attractive |
| B．attraction |
| C．attracted |
| D．attract |
It's not necessary to explain the truth________there are air，water and sunlight，there are living things.
| A．in wherever |
| B．that wherever |
| C．which |
| D．that |
Tomorrow is Tom's birthday. Have you got any idea________the party is to be held?
| A．what |
| B．which |
| C．that |
| D．where |
Along with the letter was his promise________he would visit me this coming Christmas.
| A．which |
| B．that |
| C．what |
| D．whether |
Word has come________in some western countries demand for graduates from NBA.
A．that
B．while
C．when
D．as