The bus was empty， there was ________ on it

No matter how I tried to read it，the sentence didn’t ________to me.

The plane is due to take off at 8:00 from theairport.— ______ we can’t get there in time— Try to take another flight then.

It isn’t like a duck to water to learn a foreign language , so you must study hard.

Ladies and gentlemen, due to an unexpected accident, one of the singers who all of you ______ to hear ______ tonight.