The tanker，which was full of petrol，________and gave off heavy and dark flames the moment a truck knocked into it.
| A．blew up | B．put up | C．turned up | D．brought up |
This is an illness that can result into talblindness____left untreated.
| A．after | B．if | C．since | D．unless |
.In the open boat,the four men,____was a doctor,met with a storm a tsea.
| A．one of which | B．one of who | C．one of whom | D．one of them |
____rich and strong!
| A．Our country may become | B．May our country become |
| C．Our country becomes | D．Does our country become |
____the bus until it has stopped.
| A．Not get off | B．Don’t get off | C．Didn’t get off | D．Get not off |
____,they continued the work.
| A．As it was late | B．It was late as | C．It was as late | D．Late as it was |