[ Grammar ]
choose the grammar structure of present perfect
A. subject , have +simple past verb
B. subject+have-has verb+past participle verb
C. subject+past participle verb +have has
D. subject + has +past participle ver

Random Topics:
So or SuchFuture FormsMixed TensesPresent and Past Perfect TensesAdverbs of How Something is DoneClauses and GerundsSubject Verb Agreement Irregular VerbAdverbs, Infinitives, Definite ArticlePresent Continous TensePre-intermediateOther quiz:
Grammar › View_____ we don’t stop deforestation, a lot of species will lose their habitat.
A. Although
B. If
C. Which
D. Therefore
Simple Present Tense vs Present Continuous Tense › View
I ……… my friends in the café after school on Fridays.
A. meet
B. meets
C. am meeting
D. meeting
Grammar › ViewKnowing how hard the test was, I wish________for it
A. would study
B. had studied
C. studied
D. have studied
Tenses › View
When do we use simple present tense?
A. When an action has happened.
B. When an action is happening right now.
C. When an action may happen in the future.