Can you think of some cases________ drivers obviously knew the traffic rules but
didn't obey them?
| A．why | B．where | C．as | D．which |
Until the start of the Industrial Revolution, mankind was poor, hungry, and constantly at the _______ of disease and natural disasters.
| A．power | B．limit | C．control | D．mercy |
The food ran out early, but __________ the party was a success according to the guests present that evening.
| A．therefore | B．meanwhile | C．otherwise | D．however |
A new survey released by Yale University finds that Americans trust scientists most when ______ comes to information on climate change.
| A．that | B．it | C．this | D．there |
Mr. Bush is on time for everything. How ____ it be that he was late for the important meeting?
| A．can | B．should | C．may | D．must |
— You won’t believe it, Sam. I was chosen as an exchange student to China.
— Congratulations! _______
| A．That’s something. | B．You did a good job. |
| C．That’s all right. | D．You got it. |