[ Subject-Verb Agreement ]
He (is, are) reading about space travel.
A. is
B. are

Random Topics:
Verbs and Possessive AdjectiveAdverbs and Time ExpressionsAdjectives with PrepositionGerund after Prepositions and Certain VerbsActive & PassivePassive Voice - Present Simple and Past SimpleAdverb ClausePast simple vs Present perfectVerb, Object, PrepositionSuch...that, so ......thatOther quiz:
Grammar › ViewIf we ……… littering, the environment will be polluted.
A. turn off
B. go on
C. go to
D. turn on
Grammar › View
We ………… the job sooner if you hadn’t wasted time
A. might have finished
B. will finish
C. have finished
D. did finish