[ Grammar ]
Then I ______ that there should be in the minerals some unknown element having a much greater radioactivity than uranium or thorium.
A. am thinking
B. think
C. had thought
D. thought

Random Topics:
Simple and Compound SentencesGrammar: Used to, Would, Be used to, Get used toAdverbs of frequencyGrammar-Present Continuous-Sentence MakingPoetryFuture Simple TensesFormal & Informal WordsPersonal PronounsCoherent Sentence with Correct Grammar StructureNouns and QuantifiersOther quiz:
Modal Verbs › ViewI …………… have some water in my bag. Hang on – I’ll look.
A. might
B. need to
C. can’t
D. am able to
GRAMMAR - Could / Could not › View
__________ you ___________ the teacher? I couldn’t . He was talking too quietly. (hear)
A. Could, hear
B. Couldn’t, hear
C. Here, could
D. Here , couldn’t
Grammar › ViewHe was in ENgland a week ago, but he _____ there before.
A. was never
B. hasn’t never been
C. won’t be
D. had never been
Vocabulary and Grammar › View
Martin _________ early this morning
A. didn’t get up
B. didn’t got up
C. did gets up
