问题
_____is too hard _____ a good solution to thisproblem.
A: It; finding
B: This; to find
C:This; finding
D: It; to find
B: This; to find
C:This; finding
D: It; to find
正确答案是：
同类题型
It’s been such a wonderful evening with you! Thank you very much!-__________________
Mr Brown didn’t come to the Guangzhou Asian Games being held _____ his poor health
__________ did your uncle leave his hometown He _________ for nearly 20years .
Luckily，the bullet narrowly missed the captain ________ an inch