[ Grammar & Vocabulary ]
Einstein is the person … showed that time can speed up or slow down.
A. which
B. who
C. whose
D. where

Random Topics:
Have toVerb PatternsModal Verbs of PermissionProgressive Verb TensesPrepositions of Location, Movement and TimeGerundSimple Past TensesDefinite vs Zero Article Abstract NounsSimple Present and Simple PastVocabulary, Adjective & PrepositionOther quiz:
Grammar › ViewMy mother is a ____ . She fixes teeth.
A. nurse
B. doctor
C. dentist
D. pianist
Reported Speech › View
I can’t go to London with you because I don’t have much money.
A. Lucy said that she couldn’t go to London with me because she hasn’t had much money.
B. Lucy said that she couldn’t go to London with me because she didn’t have much money.
C. Lucy said that she couldn’t go to London with me because she doesn’t have much money.
Tag Question › ViewEverybody looks tired, ________?
A. doesn’t it
B. don’t they
C. does it
D. do they
Tenses › View
I ___ at this company since 2020.
A. worked
B. have worked
C. work
D. will work
