[ Mix-Tenses ]
While Peter ______, her brother is playing records.
A. is being reading
B. is reading
C. had read
D. has read

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Grammar - NounsPresent, Past, Present Perfect and ComparativeApostrophes and GrammarDemonstrative Pronouns and Verb TensesLinking Verbs & Helping VerbsZero and First ConditionalsAbilityPronoun & Present SimpleAdverb ClauseConditional SentencesOther quiz:
Comparatives, Superlatives & Equatives › ViewHe is _________as his brother in soccer.
A. as best
B. as good
C. better
D. good
Grammar › View
__ you turn the music down? Thanks.
A. Could
B. Couldn’t
Tenses › ViewBy the end of this year, she (leave) Hue for Da Nang.
A. will leave
B. has left
C. will have left
D. is leaving
Vocabulary & Grammar › View
…………………………………installs electrical machines and equipment.
A. A pipefitter
B. A welder
C. An electrician
D. A safety officer
