-- - Alison, I’m sorry. I can’t come to the wedding with you tomorrow morning. 
-- ________? -- My grandma was severely ill, so I have to stay in the hospital to look after her.
| A．How is it | B．How come | C．So what | D．What’s the problem |
It was difficult for her to make an immediate decision as it would affect her present job and her relationship with the manager ________.
| A．either | B．though | C．meanwhile | D．as well |
The new appointment (任命) of our president _________ from the very beginning of the next semester.
| A．takes effect | B．takes place | C．takes turns | D．takes part |
After his journey from abroad, Richard Jones returned home, _______.
| A．tired | B．tiring | C．being tired | D．having been tired |
--You've agreed to go? So why aren't you getting ready?
--But I ________ that you would have me start at once.
| A．don't realize | B．hadn't realized | C．didn't realize | D．am not realizing |
Low-carbon lifestyle is of great benefit to improve the world environment．____ can be
enjoyed from it until you have a deep under, standing of it，however．
| A．Something | B．Nothing | C．Few | D．Much |