In 1969, Neil Armstrong, an American astronaut, _____ the moon for the first time, which announced man began to march at the universe. [ ]

How can I prepare for class, Mr Johnson?　　　　— __you ____ my web page? You can download the notes and read them ahead of time

It took _________ people _________ the work.

How are you today?—Oh, I __________ as ill as I do now for a long time

It’s burning hot today, isn’t it? —Yes._____ yesterday. [ ]