保证正确的.不懂追问.
1.milk quickly turns sour_____it's in a fridge.
a.until b.since c.as d.unless
选D.如果不放冰箱里,牛奶很快就变酸.其他选择意思不对.
2.don't let the boy ____alone
a.the room b.the rooms c.in room d.in the room
boy后面应该有be的.选D.不要让男孩自己在房间里.room是特指的,加the,前面要加介词in
3.nobody knew it_____me
a.but b.beside c.besides d.without
选A.除了我没人知道.B旁边 C和D意思不对
4.your french is so good .how long have you been in france?
_since_____i was five.你法语真好.你来法国多久了?从我5岁起.
5.my brother is going to look for another job _______the company offers him more money.
a.after b.when c.unless d.besides
选C.除非这公司给他更多钱,我哥哥就要找别的工作了.其他选择意思不对.
6.tom sits____the classroom while john sits_______the classroom.
a.in front of;at back of b.in the front of;at the back of c.in front of;at the back of
d.in the front of;at back of
选B.在一个空间里的前后要加the
7.henry won't deal with his problems____he can regard them as challenges.
a.after b.unless c.but d.even though
选B.除非亨利把他的问题看做挑战他是不会处理这些问题的.其他意思不对.哦，懂了.谢谢besides, except, but的用法区别本来第三个不懂..看完就懂了。呵呵1. 基本区别三者均可表示“除了”，但 besides 表示一种累加关系，意指“除了什么之外，还有…”；而 except 或 but 则表示一种排除关系，意指“除了什么之外，不再有…”：。但是，在否定句中，besides 也表示“除…… ”，与but, except 同义....谢啦