20. His parents were teachers in that school, _______ lost their lives in order to save
their students in the earthquake.
| A．none of them | B．both of them | C．none of whom | D．both of whom |
The judge scolded the lawyer because he didn’t keep his remarks to the topic ________discussion.
| A．in | B．by | C．within | D．under |
The beginning of agriculture was a big step in human progress ________which nothing could compare until our information age.
| A．in | B．for | C．with | D．by |
Your suit won’t be ready ________Friday.You can collect it next Monday.
| A．on | B．by | C．till | D．for |
During their ten-day vacation,they traveled to England ________their own expense.
| A．in | B．for | C．with | D．at |
The table is ________;please carry it away.
| A．on the way | B．by the way | C．in the way | D．in this way |