问题
单项选择题
Is () necessary to complete the design before National Day
A.this
B.that
C.it
D.he
答案
参考答案:C
解析:
考查it is necessary的句型,意为“……是必需的”。故选C。
Is () necessary to complete the design before National Day
A.this
B.that
C.it
D.he
参考答案:C
解析:
考查it is necessary的句型,意为“……是必需的”。故选C。