单词拼写,注意适当形式。(每题2分，共10分)

单词拼写,注意适当形式。(每题2分，共10分)
小题1: We have 4 English __________ （课）every week.
小题2:My __________ (父母) jobs are teachers.
小题3:There are many new ___________ (建筑物) in the city of Dalian.
小题4:I get an ________ （电子邮件）from my pen friend.
小题5:I want to eat some ________ (洋葱) with beef tonight.