The reason _______ he gave at the conference last week for his being carelessness was funny.
| A．why | B．for which | C．that | D．for that |
Jane was asked a lot of questions, but she didn’t answer of them.
| A．other | B．any | C．none | D．some |
Everything depends on ___ we have enough time.
| A．if | B．when | C．whether | D．that |
He is a foreigner, ___ I knew from his accent.
| A．which | B．as | C．that | D．A and B |
Betty always tells lies，___ her parents find strange.
| A．that | B．/ | C．which | D．as |
____ we know now, oceans cover more than 70 percent of the earth.
| A．That | B．Which | C．As | D．What |