The invention of the book is one of humankind's greatest achievements, the importance of (3) _______cannot be overestimated.

Choose the word whose underlined part is pronounced differently from that of the rest.

Choose the word whose underlined part is pronounced differently form that of the rest.

Choose the word whose underlined part is pronounced differently form that of the rest.

Choose the word (A, B, C or D) that has different stress from that of the rest.

Choose the word (A, B, C or D) that has different stress from that of the rest.

Choose the answer (A, B, C or D) that best completes each of the following sentences.

She is the eldest in her house, so she has to look _________her brother when her parents go out.

Choose the best answer to complete the blank in each of the following sentences.

It is often a good idea to start with small, easily ________ goals.