( ) the box is i can't carry it .A; what heavy B; what a heavy C; how heavy D; how a heavy

问题描述:

( ) the box is i can't carry it .A; what heavy B; what a heavy C; how heavy D; how a heavy

C
HOW +形容词/副词
WHAT +A/AN +形容词+名词单数
WHAT +形容词+名词复数/不可数名词

c

选C