They always communicated with each other on the Internet, but they never met him _____________.
| A．back to back | B．heart to heart |
| C．face to face | D．side to side |
The boys are doing no harm; they are ___ playing．
| A．mostly | B．rarely |
| C．nearly | D．merely |
——What ___ I wear for the party this evening, darling?
——It's a formal dinner．
| A．shall | B．can |
| C．may | D．must |
A direct air route ___ Chongqing and San Francisco is expected to open next month
| A．linking | B．being linked |
| C．link | D．linked |
Online shopping is becoming ___ rising industry for China, as the country is ___home to the world's largest online population．
| A．不填;the | B．a;the |
| C．the; 不填 | D．a; 不填 |
After the exciting football game, he didn't feel ___ desire to sleep．
| A．the less | B．the least |
| C．the more | D．the most |