Teachers can tell their students to use mobile apps like “PIAZZA” to access course materials and also to post questions about specific subjects, all ____ can be done in the classroom or outside the classroom.
A. this
B. what
C. which
D. how

Random Topics:
BASIC GRAMMAR - PRONOUNSAdjectives & PrepositionConjunctions and PronounsConjunctions in Complex SentencesSimple Past vs Past Continuous TenseSingular and Plural NounsConditional and SubjunctiveMay, MightPast Simple & Past PerfectMesopotamia VocabularyOther quiz:
Grammar › ViewThey told us that Charles drank too much at the party.
A. It was told that Charles drank too much at the party.
B. It is told that Charles drank too much at the party.
C. It told that Charles drank too much at the party.
D. It was told that Charles drink too much at the party.
Vocabulary and Grammar › View
Lunch is provided on the course, so you ________________ bring anything with you.
A. couldn´t
B. can´t
C. doesn´t need to
D. don´t need to
Grammar › ViewCompanies routinely give a two-weeks vacation to employees who have completed their first year of service. Which one is incorrect word/phrase?
A. give
B. two-weeks
C. have
D. their
Grammar › View
Someone who has a lot of energy and is very active.
A. bossy
B. graceful
C. energetic
