Technology is developing so rapidly that   for only a year , my cellphone is out-of-date .
#94603
A
using
B
having been used
C
having used
D
is using
推荐题目
 ____ knocked down and hurt worried her friends.
#98001
A
Kate’s being
B
Kate was
C
Kate being
D
Kate had been
The education system rather than the teachers __________for the overburden on the students.
#95322
A
are to answer
B
is to answer
C
are answered
D
is answered
We still remember once__________round the famous tower when we were young.
#96757
A
having taken
B
to be taken
C
having been taken
D
to have taken