[ 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:
Tenses › ViewWhat ____________________ about his last book? – I __________________ it a lot. (YOU THINK, LIKE)
A. did you think – like
B. are you thinking – like
C. do you think – like
Compound Adjectives › View
My parents are quite ________ . They accept most of things I do, without getting upset.
A. easy-going
B. bad-tempered
C. tight-fisted
D. narrow minded
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