—I’m sorry to ____ you to so much trouble.
—That’s all right.
| A．put | B．add | C．give | D．take |
一How did you manage to succeed?
一It is only after we've lost everything __________we're free to do anything.
| A．when | B．that | C．which | D．what |
Mum__________ me to school as she knew it was important for me to receive education，but we were so poor then．
| A．had sent | B．sent | C．would have sent | D．would send |
So excited were my classmates__________ the good result of the English speech competition!
| A．to know | B．known | C．to be known | D．having known |
The emergency center is in great need of O-type blood，but there is__________ at hand.
| A．nothing | B．none | C．any | D．much |
South Korean pop singer Chae Yeon came to Beijing on March 18th to__________ her new album My Love．
| A．relieve | B．release | C．collect | D．investigate |