We _____ more than 1,200 English words already, do you know?
#38250
A
learn
B
will learn
C
have learned
D
are learning
推荐题目
The mobile phone has influenced people's life a lot since it __________.
#36751
A
invents
B
invented
C
is invented
D
was invented
Ssh, please be quiet. The baby _______ .
#40226
A
sleep
B
sleeps
C
is sleepping
D
is sleeping