He has five___________ , and they are all doctors working in the same hospital .
| A．sons- in-laws | B．son-in-laws | C．sons-in-law | D．son in laws |
The research mainly deals with the difficulty the students have ______ their attention pm their study all the time.
| A．to focus | B．to be focused | C．focusing | D．focused |
With everything she owned ______ in the fire, the woman had to turn to the local government for relief.
| A．to burn up | B．burning up | C．burn up | D．burned up |
He told me his computer company was in great need of a capable leader, ______ with strong will as well as good humor.
| A．who | B．that | C．one | D．which |
That’s all for the introduction to your arrangements these days. So now ______ there are any questions, I’d like to go ahead and start the first video.
| A．if | B．unless | C．until | D．though |
Don’t ______ personal information such as your name, telephone number and address until you feel comfortable.
| A．give in | B．give off | C．give out | D．give up |