.I am thankful to my next-door neighbor Uncle Li,who always lends me___hand when I am in_____trouble.
| A．不填；the | B．a; the | C．不填; 不填 | D．a; 不填 |
Mary, remember to bring the CD I want next time, _______?
| A．does she | B．doesn’t she | C．will you | D．won’t you |
As I was worried about the safety of my son in the heavy storm, my attention began to _______ off my work.
| A．wonder | B．wander | C．separate | D．divide |
_________in the IT company, David decided to say goodbye and start his own business.
| A．Having ignored | B．To be ignored | C．Ignored | D．Ignoring |
I think it’ll take at least another two months _______ the shopping center is completed.
| A．until | B．before | C．when | D．as |
A child who lives in an uninteresting environment will develop less intelligence than ______ who lives in a rich and changing environment.
| A．the one | B．one | C．those | D．that |