Classrooms in some schools are equipped with seats that can be _____ to the height of a person.
| A．grown | B．adjusted |
| C．folded | D．expanded |
I said hello to you in the street yesterday, but you ________ me completely.
—I'm sorry. Maybe I didn't notice you.
| A．cheated | B．hid |
| C．ignored | D．recognized |
petrol
| A．fluent | B．destroy | C．prefer | D．spelling |
concern
| A．cartoon | B．suitcase | C．calm | D．cycle |
active
| A．stage | B．attack | C．accent | D．usage |
earthquake
| A．method | B．bother | C．breathe | D．although |