It takes me half an hour _____playing the piano.How about you?
I usually spend 20 minutes ____it.( )
practicing; on
to practice; in
to practice; on
I'm afraid we can't work out the math problem________the teacher helps us.
That's true. It's too difficult.( )
if
unless
because
as soon as
May I use your computer?
________. I'm working on it.( )
Glad to hear that
It doesn't matter
That's all right
I'm sorry
Basketball________ in 1891. Then in 1936 in Berlin, it became an event at the Olympics.( )
plays
is played
was played
played
Amy has read many history books, so she learns history________ of all the subjects.( )
well
bad
best
worst
Look! The children ________.
How happy they are!( )
was dancing
danced
are dancing
dances