________new buildings were going up everywhere in Beijing.
| A．At one time |
| B．At a time |
| C．In no time |
| D．At any time |
— Tom fell off the bike yesterday, but he is all right now.
— What a lucky dog! He _________ himself badly.
| A．should injure | B． could have injured |
| C．should have injured | D．might injure |
The deadly Ebola virus disease is different from flu, _______ they have similar outcome symptoms, such as fever and headache.
| A．since | B．as |
| C．though | D．unlsess |
—I’m driving to Beijing after breakfast.
—Take care, ______with all this fog.
| A．especially | B．mainly |
| C．extremely | D．really |
Good appearance and wealthy families are important in choosing a life-long partner, but not _______.
| A．something | B．anything |
| C．everything | D．nothing |
To build a people-centered socialism with Chinese characteristics is a long journey. It needs patience and ____________ from the people from all walks of life
| A．combination | B．instruction |
| C．strength | D．participation |