As _____ writer, he was _____ complete failure.
A.a, a B.a, the
C.不填,不填 D.a, 不填
The operation is _____ success and the patient is now out of _____ danger.
A.a, the B.a, 不填
C.不填, the D.不填,不填
_______ India and China are of _______ same continent.
A./; the B.The ; the
C./; / D./; a
A spaceship flies at about eleven kilometers _______ second.
A./ B.the C.a D.an
It takes me half an hour_____the piano every day.
A.play
B.playing
C.to play
一What do you usually do in the morning?
一I often practice _____English.
A.speak
B.to speak
C.speaking