【C5】A．oughtB．shouldC．wouldD．could

______he come late, give him the message.A．HadB．ShouldC．WouldD．If

【C5】A．should notB．mustC．might notD．could

【C9】A．couldB．shouldC．mayD．must

______it rain, the crops would be saved.A．ShallB．ShouldC．WouldD．May

【C6】A．wouldB．shouldC．mustD．might

【C5】A．willB．shouldC．canD．would