[ Grammar ]
She _____ what she does on space walks.
A. explain
B. explains

Random Topics:
Prepositions after Verbs and AdjectiveIrregular verbsAdjectivesGrammar, Conditional Sentences, VocabularyPresent Perfect and Simple Past TenseRelative Clauses and etcGrammar Present Perfect (ever never)Relative PronounsModals of DeductionModal PerfectOther quiz:
Grammar › ViewThe verb string “was dancing” is in what tense?
A. Present
B. Future
C. Past
Prepositions › View
Nowadays, most of young people are involved ______ learning English
A. of
B. with
C. along
D. in
Simple and Past Tenses › ViewOxfam ________ in more than 70 countries.
A. works
B. work
C. working
D. worked
Grammar › View
Which modal verb relates to obligation?
A. should
B. can’t
C. don’t have to
D. mustn’t
