At present  ________ of the experiments  ________done in labs after the new building has been finished. 
#10675
A
four fifth; is
B
four fifths; are
C
four fifth; are
D
four fifths; is
推荐题目
My father served in the army in        when he was in         .
#14372
A
1950s; twenties
B
the 1950s; his twenties
C
the 1950s; the twenties
D
1950s; the twenties
 I'm interested in a single room. Do you have any ________?
#11638
A
convenient
B
available
C
possible
D
personal