—Your brother is an excellent basketball player.
—So he is. He ________to play basketball three years ago.
A.has started B.starts C.started D.starting
He ________music ever since he studied in primary school.
A.has been interested in B.became interested in
C.took interests in D.was interested in
— What do you think of the book?
—Oh, excellent! It's worth________ .
A.to read B.read C.being read D.reading
They took rock samples back to Earth for _____study.
A.farther B.step by step C.further D.far away
Nick's brother________the navy in 2011and ________the navy since then.
A.joined; has joined B.joined in; has joined in
C.joined in; has been in D.joined; has been in
-- Chinese astronauts can also walk in space now.
-- Yes, they're ______ our nation.
A.proud of B.pleased with
C.the pride of D.known for
