He _____ play the piano since he was young. He is very famous now.
#41795
A
has could
B
has been able to
C
could
D
was able to
推荐题目
During the last 3 years, the students ________ more than 2000 English words.
#38405
A
have learned
B
learned
C
are learning
D
will learn
—Be quiet. Dad _____ in the bedroom.   — Sorry, Mum.
#40520
A
sleep
B
sleeps
C
is sleeping
D
to sleep
If any accident ______ here tomorrow, it will be very serious.
#42462
A
happens
B
will be happened
C
will happen
D
is happened
 John _______ at his uncle’s for 3 days and he is now at home.
#41708
A
stayed
B
has stayed
C
had stayed
D
was staying