Decide whether each underlined phrase is correct or not. if it's incorrect rewrite the phrase:
1.I had a great time in the Greek Islands. We would rent a small boat and go fishing every day. ...............
2. Julie, hi. I've been hoping I'd see you. I've got some good news. .....................
3. We had a terrible time looking after your dog. It was constantly chasing the cats next door ..............
4. We had a lovely time in Madrid. Every day we were exploring the city, and in the evening we were going to exciting bars ................
5. The steam engine is usually thought of as a relatively modern invention, but the Greeks had built a kind of steam engine in ancient times.................
6. I felt rather worried. it was growing darker and colder, and there was still no sign of the rescue helicopter .................
7. Don't worry. all we have to do is wait here until someone will find us
8. This meat is really tasting awful. are you uite sure it was fresh?..............

1. Ever since I .........(be) a young child, I .......... (die) to meet you

2. By the time you ........... (finish) getting ready, we ................... (miss) the train
3. Sally. I ............. (not/expect) to see you here. What .............. (you/do) in New York?

Rút gọn:

\(\left(\frac{2}{2-\sqrt{5}}-\frac{2}{2+\sqrt{5}}\right):\frac{1}{\sqrt{5}}\)

Rút gọn:

\(\left(\frac{1}{\sqrt{x}-1}-\frac{1}{\sqrt{x}}\right):\left(\frac{\sqrt{x}+1}{\sqrt{x}—2}-\frac{\sqrt{x}+2}{\sqrt{x}-1}\right)\)

1. Since they aren’t answering the telephone they .......... left

A.must have B.shounld have C.need have D.could have

2. He didn’t dare to say it ...... my face

A.on B.with C.in. D.to

3. Six miles .........along distance to walk

A.is. B.are C.has. D.takes

4. There are a lot of people at the my friend ‘s party, only a few of ........ I had met before

A.who B.whom C.whose D.them

5. We went to the airport to ....... off a friend who was leaving for London

A.tell. B.Join. C.see. D.say

6. The exhibition.........place twice a year

A.makes. B.takes. C.does. D.has

2. You’re the worst guitarist in the world

-> No one .....................................

3. Although the fish appears to be harmless, it is quite dangerous.

-> Contrary ......................................

4. He didn’t remember anything about it, and neither did she

-> He forgot .............................................

5. I wish I had applied for that job

-> It is a ........................................

6. The days get colder and colder.

-> Each day .................................

B = \(1-\sqrt{x-2\sqrt{x-1}}+\sqrt{x-1}\)