[ Grammar ]
Working so hard for so long___________his health, and made him sick, (weak)
A. weakened
B. weaker
C. weekened

Random Topics:
Grammar - QuantiflierGrammar & VocabTenseSynonymsGrammar Like & Linking VerbTenses and Word FormationModal "Have to"Relative Clauses and Past PerfectApostrophe GrammarVerb ConjugationOther quiz:
Tenses › ViewShe arrived at the library at 2 p.m. She is at the library. She plans to leave the library at 4 p.m.
In 2 hours, she ______________ the library.
A. left
B. leaves
C. will be leaving
D. will leave
Phrasal Verbs › View
You have to _________ many difficulties in life.
A. pick up
B. put down
C. go through
D. turn out
Grammar › ViewShe’s worried ___ making new friends when she starts at the new school.
A. of
B. for
C. at
D. about
Antonyms › View
Sue is sad about the party.
A. bad
B. happy
C. light
D. grey
