[ Tenses ]
……….to the laboratory yet?
A. Did you go
B. Have you been
C. Are you
D. Were you

Random Topics:
BASIC GRAMMAR - PRONOUNSConditional SentencesFigurative LanguageHomophone & HomonymGrammar - some / anyPresent, Past, and Future TimePast ParticipleCoordinate ConjunctionIELTS GrammarTenses and OpinionsOther quiz:
Grammar › ViewThis will (widen) its market all over the world.
A. wident
B. widenning
C. widens
D. widen
Modal Verb › View
Which modal verb you use for unacceptable action
A. Cannot
B. Must not
C. Will not
D. Don’t