. John received an invitation to dinner, and with his work __________, he gladly accepted it.
| A．finished | B．finishing |
| C．having finished | D．was finished |
_______ there is a snowstorm or some other bad weather, the mail always comes on time.
| A．Because | B．Unless | C．As | D．So |
Such a small man can't _____ reach the balloon one meter higher than he.
| A．possibly | B．likely | C．unlikely | D．impossibly |
_______ solids expand much less than liquids or gases, the continuous increases can add up to a lot, …
| A．Although | B．If | C．Because | D．After |
Yesterday my friend and I went to the supermarket nearby. We found that there were _______ nothing worth buying.
| A．almost | B．nearly | C．hardly | D．about |
… you leave it at peace just as you found it. _______, animal will be disturbed.
| A．However | B．Otherwise | C．Therefore | D．Then |