1 ...It is not the first time one of Google's famed self-driving cars has been involved in a crash...

2017.6 CET4 听力题

2 ...even eating! It was the first time...

2017.6 CET4 听力题

3 ...when he met his first girlfriend at his best friend's 16th birthday party...

2017.6 CET4 阅读理解

4 ...Only a few months later Leah opened her first yoga studio...

2017.6 CET4 阅读理解

5 ...This was first mentioned in reference to brewing in the ninth century...

2017.6 CET4 阅读理解

6 ...but it may be the first time it has caused one...

2017.6 CET4 听力题

7 ...People rarely manage to quit the first time they try...

2017.6 CET4 阅读理解

8 ...Veiseh began to remember the details of his everyday experiences after he met his first young love...

2017.6 CET4 阅读理解

9 ...researchers demonstrated for the first time how this effect occurs in the brain...

2017.6 CET4 阅读理解

10 ...the first way some of you search for you is by air...

2107.12 CET4 听力题