She was joyful ________ seeing her son take his first steps.[ ]A. as B. uponC. immediately D. as soo

题目简介

She was joyful ________ seeing her son take his first steps.[ ]A. as B. uponC. immediately D. as soo

题目详情

She was joyful ________ seeing her son take his first steps.
[     ]
A. as
B. upon
C. immediately
D. as soon as
题型:单选题难度:中档来源:0110 同步题

答案

B

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