[ Grammar ]
In chemical terms radium ______ little from barium.
A. is different
B. differs
C. differed
D. is differing

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Degrees of AdjectivesConditional Sentence Type 2 and Type 3COUNT - NONCOUNT NOUNSPast ParticiplesSubordinate Conjunctions-ing &-ed AdjectivesReporting VerbsUse of Prepositions or ConjunctionsAsking & Giving OpinionPast Perfect & Past SimpleOther quiz:
Subject Verb Agreement › ViewHow (have, has) the mothers received the news?
A. have
B. has
Present and Future Tenses › View
When do we use ‘going to’ for future intentions?
A. When we are talking about past events
B. When we have already planned or decided to do something in the future.
C. When we have no idea what will happen in the future
D. When we are discussing present actions
Daily Routines & Tenses › ViewWhich sentence is correct?
A. She wakes up at 7 AM every day.
B. She wakes up at 7 AM every day.
C. She is waking up at 7 AM every day.
D. She wakes up at 7 AM every day.
Tenses › View
I __________ my homework before you told me to do it
A. did
B. have done
C. had done