I wrote to my parents once a week,____ I was too busy with my teaching work.
| A．it | B．unless | C．when | D．as |
“To meet people’s desire for _____ happy life is our mission,” Xi Jingping said to the press after he was elected ____general secretary and chairman．
| A．a; a | B．the; the | C．a; \ | D．\; the |
-Jack fell off the ladder 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 |
_____ in a poor family made Jack very hardworking when he was still young．
| A．Brought up | B．Bringing up |
| C．Having brought up | D．Being brought up |
To my mind, the secret to happiness__________ your successful work and your contribution towards others’ happiness．
| A．results in | B．consists in |
| C．brings in | D．takes in |
Will you see to _____ that my children are taken good care of while I am away?
| A．it | B．me | C．yourself | D．Them |