【34】A．SurelyB．May beC．PerhapsD．Might

【28】A．can beB．may beC．must not beD．may not be

Youd better take the keys in case I______out.A．might beB．beC．amD．will be

She has not arrived yet. She______the bus.A．might missB．may missC．may have missedD．should

It______last night. But I am not sure.A．may rainB．might rainedC．must rainD．may have rained

【C9】A．had beenB．would beC．wasD．might be

Lucille______at the dance tonight, nor will Peter.A．can"t beB．won"t beC．may not beD．will b