________ is no difference between them.
The traffic problems have severely affected economic development. ________, we must spare no efforts to solve them.
Compared with her sisiter, Jerry is even more _______ to, and more easily troubled by, emotional and relationship problems.
The real threat of fraud(欺诈) on the Internet has highlighted the fact ________ consumers fear shopping on line.
If you _________ the magazine, you will get an extra newspaper.
Jack could have avoided that terrible car accident, but he ________ careful enough.