[ Grammar ]
Choose the correct verb form to make a sentence in present perfect.
They ______________ this before.
A. do
B. has done
C. done
D. have done
Random Topics:
Verb & GrammarFirst ConditionalRegular and Irregular VerbsAuxiliary and Modal VerbsPassive Modals, Impersonal PassiveMust / must notConjunctions and PrepositionsModal Verbs and Gender NounsPast Tense and Perfect TensePresent Simple and ContinuousOther quiz:
Grammar › ViewI’m having __________________ friends round on Friday, do you want to come?
A. few
B. a few
C. whole
Infinitives and Gerunds › View
We finally managed___________my passport and then left for the airport.
A. finding
B. to find
Grammar › View
The word “Tackled” in this sentence is a
A. adjective
B. adverb
C. verb
D. preposition
Grammar › View
I use my pen to_____.
A. write
B. drink
C. shower
D. walk