[ Phrasal Verb ]
investigate
A. look in on sb
B. look into
C. look on
D. look out

Random Topics:
Present and Past TensePresent Continous TensePast Tense vs Future TenseConditional SentenceProgessive TensesSo Such Enough TooModal Verbs and ConditionalsBare Infinitive and To InfinitiveExpressing Obligation and ModalsVerb Present Simple TenseOther quiz:
Vocabulary and Grammar › ViewWhat skills do you have?
A. noun
B. verb
C. adjective
Grammar and Vocabulary › View
We _________ to be at the meeting until 2.30. Shall we get some lunch first?
A. haven’t
B. don’t have
C. haven’t got
Tenses › ViewHe ____ to the gym every day.
A. goes
B. went
C. has gone
Grammar : Must (Necessity) › View
You ___ touch that! You might burn yourself!
A. must
B. must’nt
C. don’t have to
