[ Past Simple, Past Continuous, Past Perfect, Past Perfect Continuous ]
What’s that floating __ the water?
A. on
B. in
C. at
D. by

Random Topics:
Modals and Present TensesDemonstrative PronounAlthough / DespiteThird ConditionalMesopotamia VocabularyWill and Will notPresent simple, Present continuous, Singular, PluralAdjective OrderRegular and Irregular AdverbArticles and PronounsOther quiz:
Future Tenses › ViewShe had a good night sleep. She ___ a nap now.
A. doesn’t take
B. ‘s not going to take
C. won’t take
D. isn’t taking
Grammar › View
If I __________so much, I wouldn’t have felt sick.
A. had eaten
B. hadn’t eaten
C. hadn’t ate
Irregular Adjectives › ViewThis painting has the __________ frame in the art gallery.
A. good
B. better
C. best
D. bestest
Verb Tenses › View
. Choose the correct progressive tense: He (read) a book right now.
A. was reading
B. reads
C. is reading
D. readed