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
推荐题目
I hear ________ students went to the hall to have the concert.
#51440
A
two hundred
B
two hundreds
C
hundred of
D
two hundred of
—What’s the time by your watch?—It’s ________.
#51439
A
half to three
B
a quarter to five
C
forty past two
D
six clock
____________ people went to the concert which was held in People’s Square the night of May Day. 
#51874
A
Three thousand, in
B
Thousands, on
C
Many thousand, in
D
Thousands of, on
Look!  ______ ducks are coming  here.
#51348
A
Hundred of
B
Hundreds of
C
Three hundreds
D
Three hundreds of