In communication, a smile is usually __________ strong sign of a friendly and _______ open attitude.
| A．the, / | B．a, an | C．a, / | D．the, an |
Chinese new traffic rules in 2013 give more severe punishment to offenders compared with ______ carried out in previous years.
| A．that | B．those | C．one | D．it |
一You seem to be familiar with this city． 一I_____ here for three years．It’s great to be back．
| A．will live | B．lived | C．had lived | D．live |
I am busy with my work, so I will give my ticket for the concert to _______ wants to enjoy it.
| A．anyone | B．whoever | C．those | D．whomever |
In Chinese,_______ date 2013--1--4 has a similar pronunciation to "love you for a lifetime", making it _______ most lucky and romantic day．
| A．a; the | B．不填; a | C．the; a | D．不填; the |
Now there’s a system _________ the waste is disposed of using the principles of ecology.
| A．when | B．which | C．that | D．where |