Question

【题目】If we don't study hard, we will in our class.
A.take the lead
B.fall behind
C.be the first
D.be successful

Answer 1

【答案】B
【解析】句意：如果我们不努力学习，我们将在班上落后。take the lead领先， 带头;fall behind落后；be the first当第一；be successful成功。根据句意可知选B。