Pratt failed many times but he finally ____ to find a successful way to solve the problem.
| A．broke out | B．broke up | C．broke down | D．broke through |
Can you think of some cases______ drivers obviously knew the traffic rules but he didn’t obey them.
| A．why | B．where | C．as | D．while |
He is very good at carpentering, though ______.
| A．is very young | B．very young |
| C．he very young | D．he was very young |
My last job lacked variety; I __________ the same things all the time.
| A．did | B．have done | C．was doing | D．have been doing |
Not for a moment ______ sightseeing while in Europe.
| A．he has stopped | B．he stops | C．did he stop | D．he did stop |
Sean’s strong love for his country is ______ in his recently published poems.
| A．reflected | B．relieved | C．responded | D．recovered |