The traffic rule says young children under the age of four and ________ less than 40 pounds must be in a child safety seat.
| A．being weighed | B．to weigh |
| C．weighed | D．weighing |
He is __________ every day.He has never been late for school.
| A．busy | B．diligent | C．careful | D．punctual |
Universities have to provide student __________ for first-year students.
| A．adjustment | B．qualification | C．commitment | D．accommodation |
The space walk will last six and a half hours and the repair of Discovery is expected to __________ a little more than an hour.
| A．take | B．cost | C．spend | D．adjust |
I really don’t want a bigger house— I’m __________ with what I’ve got.
| A．satisfying | B．satisfied | C．satisfactory | D．satisfaction |
It was just a __________ comment; I didn’t mean it to be taken so seriously.
| A．uniform | B．casual | C．humorous | D．formal |