what is the meaning of ( due ) in this sentence? don't forget, your projects are due on Monday.

what is the meaning of (at the earliest) in this sentence? It was new in the early sixties or late fifties at the earliest

what is the difference between catch the bus and ride the bus and take the bus

what is the meaning of (attend that event) in this sentence? I don't think I should attend that event.

what is the meaning of (I'd been compelled) and (put my foot down) in this paragraph? It was in this town that I'd been compelled to spend a month every summer until I was fourteen. That was the year I finally put my foot down ; these past three summers, my dad charlie, vacationed with me in California for two weeks instead.

is this sentence correct? may I speak to mr Hamilton? I can't really understand when I should use talk and when I should use speak . please help me. thanks

which one of these sentences are grammatically right? they stay up all night OR they stayed up all night your meal cost about 24$ OR your meal costs about 24$ excuse me , what time do we take off? or another sentence