根据释义及所给首字母,写出正确的单词
问题描述：
根据释义及所给首字母,写出正确的单词
c______(put something over) w__________(at the same time as)
d_______(with a deep color） d_________（make a hole in the ground)
b________(coming after,at the back) k__________(piece of metal that opens a lock)
答
put something over = cover（= 盖）； at the same time as = while (= 同时)；with a deep color = dark (= 黑)； make a hole in the ground = dig (= 挖)；coming after; at the back = behind (= 在···后面)...