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
You have only a short time to get prepared for the exam, so______the most of it.
A．use up B．do C．make D．take
