I was going to write my essay about the British nuclear tests in the Australian Desert, but I ________ the topic when I ________ much information about them.
A. have changed / wasn’t able to find
B. had to change / couldn’t find
C. must change / haven’t found
D. might have changed / don’t find

Random Topics:
Modals of PredictionThird ConditionalGrammar ModalsFirst & Second ConditionalPresent Perfect ContinuousAdjective ClausePresent / Future / Present Progressive / non Action VerbsInversions and SubjunctivePrepositions of Place and TimeConditional 0Other quiz:
Subject-Verb Agreement › ViewMy teacher ________ computers are a great learning tool.
A. Say
B. Says
Grammar › View
The thing receiving the action is the subject of the sentence and the thing doing the action is optionally included near the end of the sentence
A. Passive Voice
B. Active Voice
Which is NOT the future?
A. next summer
B. yesterday
C. tomorrow
D. in 5 years
Adjective Clause › View
A rainbow, …….. has beautiful stripes, appears in the sky after the rain.
A. Who
B. When
C. Why
D. Where
E. Which
