--- Did your father come back early last night?
--- Yes. It was not yet eight o’clock _______ he arrived home.
| A．before | B．when | C．that | D．until |
If steel is heavier than water, why are ships able toon the sea?
| A． | float | B． | drown | C． | shrink | D． | split |
One of the most effective ways to reduceis to talk about feeling with someone you trust.
| A． | production | B． | stress |
| C． | energy | D． | passive |
Listening is thus an active, not a, behavior consisting of hearing, understanding and remembering.
| A． | considerate | B． | sensitive |
| C． | reliable | D． | passive |
Most of us, if we know even a little about where our food comes from, understand that every bite put into our mouths was alive.
| A．steadily | B．instantly |
| C．formerly | D．permanently |
How would you like if you were watching your favorite TV program and someone came into the room and just shut it off without asking you?
| A．them | B．one | C．those | D．it |