题目内容：

1.European football is played in 80 countries,_____it the most popular sport in the world.
a.making B.makes C.made D.to make
2.Robert is sai ____abroad,but I don"t know what country he studied in.
a.to have studied B.to study C.to be studying D.to have been studying
3.When I got back home I saw a message pinnoed to the door ______"Sorry to miss you:will call later."
A.read B.reads C.to read d.reading
4.I've worked with children before ,so I konw what ____in my new job.
A.expected b.to expect C.to be expecting D.expects
5.The manages discussed he plan that they would like to see_____the next year.
A.carry out B.carrying out c.carried out D.to carry out
这五道题的答案就是小写的那个选项 希望大家写的能够详细些 通俗点 我基础比较差的