We found it difficult _______ there on t_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

We found it difficult _______ there on time.

A．get

B．to get

C．getting

D．got

答案

答案：B

选择题

已知数列{a_n}为等差数列，{b_n}为等比数列，且满足：a₁₀₀₀+a₁₀₁₂=π，b₁b₁₄=-2，则tan

填空题

粘性土的填筑标准是（）。