Preposition 'at' and 'in'

I get up ____________ in the morning.

• in five o'clock

• at ten thirty

• at eight o'clock

• in eight o'clock

I brush my teeth __________ at night.

• in ten fifteen

• at ten fifteen

• in nine fifteen

• at nine fifteen

She has lunch at ___________ noon.

• twelve o'clock at

• eleven o'clock at

• eight fifteen in

• twelve o'clock in

He has breakfast at seven thirty ___________.

• in the morning

• at the morning

• at morning

• in morning

He goes to bed at _______________.

• eleven o'clock in the afternoon

• ten thirty at night

• ten fifteen in night

• ten o'clock at night

He gets dressed ________________.

• at four thirty in the afternoon.

• in four thirty in the afternoon

• in four thirty at the afternoon

• four thirty in the afternoon

They go home ________________.

• at four fifteen in the afternoon

• in four fifteen in the afternoon

• at eight o'clock in the morning

• at four forty-five in the afternoon

I do my homework ________________.

• in seven forty-five in the evening

• in six forty-five in the evening

• at seven forty-five at the evening

• at six forty-five in the evening