He _______ in this company for ten years by the end of this month.
A. is working
B. has worked
C. will have worked
D. works

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Conjunctions and PrepositionPresent/Future/Past Simple/Present PerfectPresent Perfect and Simple Past TenseThings in EnglishSuperlative & Comparative AdverbsGrammar - some / anyQuantifiers: too many, too much & enoughTenses, Tag Questions, Phrasal VerbsGerund & ParticipleCan vs CouldOther quiz:
Tenses and Comparisons › ViewHey Rina, can you help Joko figure out the comparative form of the adjective ‘happy’? Let’s see if you can find the right answer!
A. happier
B. happiest
C. happyest
D. more happy
Grammar for TOEFL › View
Rarely _____ located near city lights or at lower elevations.
A. observatories are
B. are
C. in the observatories
D. are observatories
Adverbial Clauses of Manner and Result › ViewThe child hesitated before speaking. He appeared that he was unsure of what to say.
A. The child hesitated before speaking as though unsure of what to say.
B. The child hesitated before speaking as though he was certain of what to say.
C. The child hesitated before speaking like he had a lot to say.
Grammar › View
…….. is your mother’s name?
A. Who
B. When
C. What
D. Why
