Exposed to dishonest advertisements every day, we sometimes can hardly ______two similar products and thus we are in a dilemma where we don’t know which to buy.
| A．acquire | B．distinguish |
| C．calculate | D．predict |
She was ________ the result. We knew it from her ______ look.
| A．satisfying with; satisfied | B． satisfied with; satisfied |
| C． satisfied with; satisfying | D．satisfying with; satisfying |
We don’t have enough money .We,_______, can’t afford to buy the car.
| A．therefore | B．so | C．however | D．thus |
To enjoy the scenery, Irene would rather spend long hours on the train _____ travel by air.
| A．as | B．than | C．to | D．while |
Professor Smith, along with his assistants, _____on the Project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
He met his previous teacher ________ at abroad.
| A．by any chance | B．by the chance |
| C．by chance | D．by a chance |