_________ trees have been planted these years.
#51783
A
Million
B
Millions
C
Million of
D
Millions of
推荐题目
There are ______visitors in Hangzhou every year.
#51629
A
million of
B
millions of
C
million
D
milliones of
His father served in the army in ________ when he was in ________.
#51731
A
the 1950s; his twenties
B
1950s; twenties
C
1950’s, the twentieth
D
the 1950s; the twentieth
Anna is already ______ girl, but she is lazy. She wants to get her clothes ______ again.
#51459
A
a 17-year-old, to wash
B
a 19-year-old, washes
C
an 18-year-old, washed
D
an 8-year-old, washing
Some scientists think that it may take ______ years to make robots look like people, and do the same things as us.
#51234
A
hundreds of
B
two hundreds of
C
two hundreds
D
hundreds
We have ____ books in our school library.
#51312
A
Hundred of
B
hundreds of
C
a hundreds of
D
ten hundreds of