They demanded that the library _____ open to students during the vacation.

He is taller than__________student in his class .He is the tallest one.

－Many boystudents think math is ______ English.－I agree. I’mweak in English.

You should get your ideas ________ when you are putting _______ an ad campaign.

Who telephoned just now?——Sorry. I couldn’t ______ the voice.