My father walked _____ in the room, looking as if he was thinking over something.
| A．now and then | B．up and down |
| C．again and again | D．over and over |
Life is just like a journey with ______ unknown destination, during which people can meet with ______ barriers of all kinds.
| A．/; the | B．the; / | C．an; the | D．an; / |
After that, she knew she could __________ any difficulties by doing what she could to the best of her ability.
| A．get through | B．get on with | C．get across | D．get away with |
The new movie __________ to be one of the biggest money-makers of all time.
| A．pretends | B．declines | C．agrees | D．promises |
None of us had expected the middle-aged engineer died __________ his design uncompleted.
| A．from | B．without | C．with | D．of |
Always read the __________ on the bottle carefully and take the right amount of medicine.
| A．descriptions | B．instructions | C．introductions | D．Explanations |