That s one small step for man, one giant (35)________ for mankind.

The book ____ I bought at the bookstore yesterday is expensive.

Every month, scientists invent new gadgets and ____ to help us with our daily lives, and discover ways to make existing technology faster and better.

You never work more than you have to, _______?

Alaska ______________.

“You had better not lend him any more money, Elizabeth,’’ said John.

=> John advised Elizabeth..................................................................

Tìm lỗi sai trong câu

We spend a lot of time looking through a large number of books to help him find a few information about bermuda but he knew most of it aldready.

Combine each pair of sentences into one, using relative clauses.

The girl looked very upset. Her electronic dictionary broke down.