—Look! The children ________.
—How happy they are!
A.was dancing B.danced C.are dancing D.dances
—You seem tired. What's wrong?
—I ________ to study for my English test last night.
A.picked up B.woke up C.cheered up D.stayed up
I don’t like Sun Cinema ________ it has bad service.
A.because B.although C.unless D.until
—Mum, where is dad?
—He ________ the supermarket.
A.was going to B.has gone to C.has been to D.is going to
Fresh water ________ more important than anything else.
A.is B.are C.was D.were
We had an art festival ________ April 20th, 2020.
A.on B.in C.at D.for
