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 |
-- .
-- Take it easy. You are well prepared for it, aren’t you?
| A．No pains, no gains | B．I have butterflies in my stomach |
| C．There is no smoke without fire | D．The world is my oyster |
- Look! It’s raining again.
-- Why _________it rain on Sundays? We are always staying inside! What a nuisance!.
| A．need | B．can | C．must | D．should |
If I hadn’t stood under the ladder to catch you when you fell, you _________ now.
| A．wouldn’t be smiling | B．couldn’t have smiled | C．won’t smile | D．didn’t smile |
My mother opened the drawer to _________ the knives, forks and spoons.
| A．put away | B．put up | C．put on | D．put together |
_________, the car could not be started.
| A．Having lost the key | B．He lost the key | C．The key was missed | D．The key lost |