They use computers to keep the traffic _________ smoothly.
A.being run B.run C.to run D.running
There is a great deal of evidence _______ that music activities engage different parts of the brain.
A.indicate B.indicating C.to indicate D.to be indicating
The government plans to bring in new laws _____ parents to take more responsibility for the education of their children.
A.forced B.forcing C.to be forced D.having forced
I looked up and noticed a snake ______ its way up the tree to catch its breakfast.
A.to wind B.wind C.winding D.wound
.Mr Smith, _______ of the ________ speech, started to read a novel.
A.tired; boring B.tiring; bored C.tired; bored D.tiring; boring
The ______ boy was last seen ______ near the bank of the lake.
A.missing; playing B.missing; play C.missed; played D.missed; to play