We should take good care of our ____. Don't forget to rinse your mouth after meals.
| A．toes | B．eyes | C．hands | D．teeth |
______, I have never seen anyone who’s as capable as John．
| A．As long as I have traveled | B．Now that I have traveled |
| C．As I have traveled so much | D．Much as I have traveled |
Three minutes earlier,they could have escaped such a disaster.
| A．so | B．but | C．and | D．that |
______ on this report the English government decided to ask Captain Cook to go and look for this continent.
| A．Having based | B．Basing | C．Based | D．To be based |
Those who show respect for others will be respected ________.
| A．in response | B．in return | C．in turn | D．in place. |
Darwin counted 225 flowering plants, ______ he collected and brought home 193.
| A．which | B．for which | C．in which | D．of which |