I can remember very few when he had to cancel his plans because of poor health.A. situati

问题补充：

I can remember very few when he had to cancel his plans because of poor health.

A. situations

B. conditions

C. occasions

D. circumstances

答案：

A. situations

B. conditions

(答案→)C. occasions

D. circumstances

解析：这题考查词义辨析 ：situations形势，conditions条件，occasions机会，场合， circumstances环境，几个词只有 occasion后面是 when引导定语从句 。句意是：我能记住很少有机会他会因为身体差取消计划的。选C。