Our teachers often suggest we take it easy when facing any difficulty.A. hadB. couldC. w

问题补充：

Our teachers often suggest we take it easy when facing any difficulty.

A. had

B. could

C. would

D. should

答案：

A. had

B. could

C. would

(答案→)D. should

解析：句意：我们的老师经常建议我们面对困难的时候要放轻松。Suggest表示“建议”的时候，后面的宾语从句用虚拟语气：Sb （should） do，所以选should，答案是D。