In order to____ a good knowledge of French, he gave up his favorite job and set off for France.
| A．acquire | B．adapt | C．acknowledge | D．accelerate |
The pilot asked all the passengers on board to remain ______ as the plane was making a landing.
| A．seat | B．seating | C．seated | D．to be seating |
The old man, ______ abroad for twenty years, is on the way back to his motherland.
| A．to work | B．worked | C．to have worked | D．having worked |
My cousin is old enough ______ himself.
| A．to wear | B．to put on | C．to dress | D．to have on |
He _____ have fallen asleep last night because he didn’t hear the phone call.
| A．may | B．should | C．can | D．must |
______ by the beauty of nature, the girl from London decided to spend another two days on the farm.
| A．Attracting | B．Attracted | C．To be attracted | D．Having attracted |