[ Grammar ]
I was surprised by __________ understand the difficult concepts.
A. be able to
B. being able to
C. to be able to
D. been able to
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ExclamationPossessive NounsPresent and Past TenseIELTS GrammarConditional Sentence Type 3Gerund NounPoetryComperative and SuperlativeGrammar - Verb FormsGrammar - Present Perfect with already, just, yetOther quiz:
Present Perfect and Simple Past Tense › ViewI _____ (hurt) my finger. It is okay now.
A. has hurt
B. hurted
C. hurt
D. have hurt
E. have hurted
Grammar › View
The smart boy answered every question ____________.
A. honestly
B. truthfully
C. correctly
D. politely