TOEFL

Today, the true story of _________ at Little Bighorn remains a mystery. A. happened B. it happened C. what happened D. what happening

For more than a decade, _____ that certain species are becoming scarce. A. the warnings B. warn the bird-watchers C. birdwatchers have warned D. a warning for bird-watchers

Early in the eighteenth century, Halley accurately predicted when _____ of 1682 would return. A. the comet B. was the comet C. the comet was D. had the comet

Unlock this slideshow and over 4 million more with Baamboozle+