[ 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 hotter the weather is, __________.
A. more tired we feel
B. we will feel more tired
C. more and more we feel tired
D. the more tired we feel
Nouns and Quantifiers › View
There were only _______ people at Jim’s party last night, but we had a great time.
A. few
B. a few
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
