[ Grammar & Vocabulary ]
Marco ……………………… this exercise.
A. aren´t understand
B. doesn´t understand
C. isn’t understanding

Random Topics:
Tenses: Present simple, Past Simple, Future SimpleModal Verbs of Deduction and SpeculationGerunds in SentencesDeterminers & QuantifiersModals and Past TensesPhrasal VerbToeic VerbPast SimplePassive of Modal VerbsIrregular verbsOther quiz:
Past Perfect or Past Perfect Continuous › ViewI ________ about having a car until I got a rise.
A. hadn’t dreamed
B. hadn’t been dreaming
C. hadn’t dream
Grammar › View
Of the Len beauty spots my brother visited …… left a lasting impression on him
A. none of which
B. not one of them
C. and none of them
D. which none
Grammar › View_____the children______ the Net at weekends?
a. Do … surf
b. Are … surfing
Grammar › View
Jimmy has a high fever, and he ____ in the hospital for a week.
A. was staying
B. is staying
C. has stayed
D. stays
