A______ means a careful study, especially in order to find some new facts or information.
A. deal B. research C. Class
--When are the Shutes leaving for New York？---Pardon？ ---I asked ___________.
| A．when are the Shutes leaving for New York |
| B．when the Shutes are leaving for New York |
| C．when were the Shutes leaving for New York |
| D．when the Shutes were leaving for New York |
---How long ________ you _______ the book ? --- For only a week.
| A．have ; borrowed | B．did ; lend | C．have ; kept | D．did ; have |
--- It’s said that the plane MH370 from Malaysia got lost.
--- ________ sad news.
| A．What a | B．How a | C．What | D．How |
--- ______ I take some photos in the hall ? ---No, you ________.
| A．Can ; needn’t | B．Must ; mustn’t | C．could ; won’t | D．May ; mustn’t |
________Switzerland (瑞士) is very small , _______it is the land of watch and it is very rich.
| A．Though; but | B．Because ; so | C．Because ; / | D．Though ; / |