________ operation was very successful indeed，which was ________ comfort to the concerned mother.
#7780
A
The；/
B
An；the
C
An；a
D
The；a
推荐题目
It may not be a great suggestion. But before _______ is put forward, we’ll make do with it.
#8419
A
a good one
B
a better one
C
the best one
D
a best one
From the top of the tower, people can see at least ________ distance of 10 kilometers on ________ clear day.
#8559
A
a; the
B
不填； a
C
a; a
D
the; the
In ____late 19th century, computers changed _____great deal and were widely used______international trade.
#10114
A
the; a; the
B
the; the;不填
C
the; a; an
D
the; a; 不填