They ……………….. the answer.
A. doesn’t know
B. don’t know
C. aren’t know
D. don’t knows
Adjective Order Future Continuous Tense Regular VerbVerbal CommunicationEd and Ing EndingsConnectivesFuture or PastPersonal PronounsIn/On/At + Time
Other quiz: Interrogative Pronoun
____ is this tape recorder?
How to use : Read the question carefully, then select one of the answers button.