.Please tell me how the accident _______.I am still in the dark.
| A．came by | B．came about | C．come out | D．come up |
Of the making of good books there is no end; neither ________ any end to their influence man’s lives.
| A．there is | B．there are | C．is there | D．are there |
Only when the war was over ________ to his hometown.
| A．did the young soldier return | B．the young soldier returned | C．returned the young soldier | D．the young soldier did return |
Not until I began to work ________ how much time I had wasted.
| A．didn’t I realize | B．did I realize | C．I didn’t realize | D．I realize |
Little ________ about his own safety, though he was in great danger himself.
| A．does he care | B．did he care | C．he cares | D．he caredcared |
Not a single song ________ at yesterday’s party.
| A．she sang | B．sang she | C．did she sing | D．she did sing |