[ Present Perfect and Present Perfect Progressive Tenses ]
They ___ (build) the treehouse since last week.
A. are building
B. have built
C. build
D. have been building

Random Topics:
TOEIC Grammar and Vocabulary ReviewThings in EnglishAdverb Of PlacePast Tense vs Present Perfect TenseAdjective / Noun + to InfinitivePast Simple and Past Continuous TensesGrammar and PrepositionAlong & AgainstDemonstrative PronounsModal Verb, Passive VoiceOther quiz:
Grammar › ViewWhich part of the sentence is the predicate? “The boy ran to the park.”
A. The boy
B. Ran to the park
C. To the park
D. Boy
Adverb of Concession › View
Tom wakes up everyone ……………….. playing the guitar very softly (rất nhẹ).
A. because
B. in spite of
C. when
D. although
Type of Sentences › ViewThe wind was blowing stronger; a storm was on its way.
A. Imperative
B. Interrogative
C. Declarative
D. Exclamatory
Too / Very / So › View
The evening was__________ cold.
A. Very
B. Too
C. Either could be used here
