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单选题

The farmer had to wear heavy boots in the winter because the fields were too wet and________.

A
earthy
B
solid
C
dusty
D
muddy

题目答案

D

答案解析

暂无解析
举一反三
单选题

Construction of the railways helped to develop the national _______ of Tanzania and Zambia.

A
economic
B
economies
C
economics
D
economical

题目答案

C

答案解析

暂无解析
单选题

Each year in the United States, many black teenagers _______ of school, either because they cannot keep up or they have to work to support their family.

A
goout
B
dropout
C
checkout
D
pullout

题目答案

B

答案解析

暂无解析