What on earth are the police busy with— They have been investigating how the train crash __________.

He found ______ very interesting _____ a horse.

He stopped his ears with his hands to _____ the terrible noise.

Where would you like to go for your nextvacation — I’d like to sail across thePacific because I like __________ vacations.

Pracitce _______ English as much as possible then your________English will be much improved.