[ Grammar ]
_____ the use of cigarettes on an aircraft should have been done long ago.
A. Ban
B. bans
C. banned
D. banning
Select your answer:
Random Topics:
Past Perfect Continuous TensePolite RequestActive vs. Passive Voice Object PronounInfinitivesAuxiliary Verbs (be, do, have)Grammar Past and Future TenseVerb-ing or to VerbIndefinite Article
Other quiz:
Countable & Uncountable Nouns › ViewThere are _____ famous museums in Kuala Lumpur.
A. many
B. a lot of
C. any
Grammar › View
Choose the subject in this sentence:
“The tall tree fell with a loud crash.”
A. tree
B. fell
C. a
D. crash
How to use : Read the question carefully, then select one of the answers button.