Land animals are believed ______ from sea animals.
| A．to have developed | B．to have been developed |
| C．having developed | D．having been developed |
. — Do remember to take this medicine three times a day with warm boiled water.
— _________________.
| A．Heard it | B．Made it | C．Got it | D．Taken it |
________________________, and the problem would be straightened out（解决）.
| A．A bit more effort | B．Having a little effort |
| C．If you have a bit more effort | D．There being a little effort |
.____studying Russian made his mother disappointed once again.
| A．Him meaning to give up | B．His meaning giving up |
| C．His meaning to give up | D．He meant to give up |
.Charlie,through his humour, one of the most popular child actors in England by his teens.
| A．became | B．had become | C．has become | D．becomes |
.The typhoon(台风) left,___a lot of damage to the island where we live.
| A．did | B．doing | C．to do | D．having done |