英语翻译.5句.

1.准时到达那里对我来说很困难的.
Being there on time is difficult to me.

2.首先,你必须完成作业.
First, you have to finish your homework.

3.我昨天买的那件外套很贵.
The coat I bought yesterday was very expensive.

4.现在,我非常喜欢数学.
Now, I like Mathematics a lot.

5.如果你不知道怎么样写这个词,就查字典吧.
If you don't know how to write this word, check the dictionary.