[ Present Tenses and Vocabulary ]
I think ………….. this grammar question now.
A. am understanding
B. understand

Random Topics:
Phrasal Verb & Prepositional PhraseTime and CalendarPresent Simple PassiveTensesOffering HelpLinking WordsModal Auxiliary VerbsPresent Perfect and Present Perfect Progressive TensesModals and PhrasesVocabulary & Phrasal VerbOther quiz:
Grammar › ViewPeter had ________ in Nha Trang.
A. an nice holiday
B. nice holiday
C. a nice holiday
D. nice a holiday
Tenses › View
Tom ……….his hand when he was cooking dinner.
A. burnt
B. was burning
C. has burnt
D. had burnt
Vocabulary › ViewExert
A. to apply a force
B. to receive a force
C. the same in quantity, size, degree, or value
D. different in quantity, size, degree, or value
Grammar › View
He ______ (be) in Mexico ______ a month.
A. He has been in Mexico for a month.
B. He have been in Mexico since a month.
C. He has be in Mexico for a month.
D. He has be in Mexico since a month.
