It’s ____ to stop smoking when you are young.
| A．better | B．best | C．the good | D．popular |
Although advertisements enable _________ to make decisions quickly, they sometimes cause lots of trouble.
| A．we | B．our | C．us | D．ours |
Over 20 countries joined to search _________ Flight MH370 in the southern Indian Ocean.
| A．of | B．for | C．in | D．from |
Nowadays many parents make their children study various subjects _________ weekends.
| A．with | B．at | C．by | D．to |
New Year’s Eve is always _________ noisiest night throughout China.
| A．a | B．the | C．an | D．/ |
Now the senior people in our country live a happy life.Which of the following is correct for the underlined word in the sentence?
| A．[læv] | B．[liv] | C．[li:v] | D．[laiv] |