It was in the lab ______ was taken charge of by Pro. Harris ______ they did the experiment.
| A．which; where | B．that; which | C．whom; that | D．which; that |
At the foot of the mountain __________.
| A．a village lie | B．lies a village | C．does a village lie | D．lying a village |
So difficult ________ it to live in an English-speaking country that I determined to learn English.
| A．I have felt | B．have I felt | C．I did feel | D．did I feel |
—You forgot your purse when you went out. —Good heavens, ________.
| A．so did I | B．so I did | C．I did so | D．I so did |
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 |