题干
Let's go and ________ the price.
A：look at
B：a look at
C：a look
D：the look at
答案(点此获取答案解析）
A
Let's go and ________ the price.
A：look at
B：a look at
C：a look
D：the look at
,
，若
，则实数a的取值范围是（ ）