Working abroad for many years, he has made a big _______ and started a company of his own.
| A．difference | B．fortune | C．progress | D．breakthrough |
Julie wants to buy a ___ computer so that she can carry it around when she travels.
| A．memorable | B．portable | C．predictable | D．readable |
In order to write a report on stars, we decided to ___ the stars in the sky every night.
| A．design | B．seize | C．quote | D．observe |
I called the airline to ___ my flight reservation a week before I left for Canada.
| A．expand | B．attach | C．confirm | D．strengthen |
I don't remember how many strangers my mother ___food with during the Depression days.
| A．offered | B．provided | C．shared | D．gave |
You can't ___ English poetry unless you understand the rhythm.
| A．like | B．take | C．appreciate | D．study |