. Ladies and gentlemen, please remain ________ until the plane has come to a complete stop.
| A．seated | B．seating |
| C．to seat | D．seat |
When first ____ to the market, the products enjoyed great success.
| A．introducing | B．introduce | C．introduce | D．being introducing |
What surprised me was not what he said but _____ he said it.
| A．the way . | B．in the way that | C．in the way | D．the way which |
It was raining heavily. Little Mary felt cold, so she stood ____ to her mother.
| A．close | B．closely | C．closed | D．closing |
The problem he referred to _____ difficult, but is isn’t at all.
| A．must be | B．seeming | C．seems | D．seem |
A good idea just _____ me. ----Let’s go swimming.
| A．beat | B．happened | C．hit | D．struck |