Only when you are living in a foreign country the importance of English.
| A．you can realize | B．you realized |
| C．did you realize | D．can you realize |
---The thread of my kite broke and it flew away.
---I told you it would easily break_____was the weakest.
| A．where | B．the place where | C．for it | D．where it |
They were surprised that a child could work out the problem____they themselves couldn't.
| A．once | B．while | C．then | D．if |
.I had been puzzled over the problem for over an hour without any result, _____ all at once thesolution flashed across my mind.
| A．while | B．when | C．then | D．as |
Sally worked late in the evening to finish her report _____ her boss could read it first thing next morning.
| A．because | B．so that | C．before | D．or else |
____much advice I gave him, he did exactly what he wanted to do.
| A．How | B．However | C．Whatever | D．No matter |