Land animals are believed ______ from sea animals.
| A．to have developed | B．to have been developed |
| C．having developed | D．having been developed |
The research showed beyond ________ that smoking contributes to heart diseases.
| A．wonder | B．doubt | C．problem | D．use |
Giving small children some money as a gift during the Spring Festival is a common ______ in China, which may seem strange to foreigners?
| A．sense | B．practice | C．ground | D．habit |
What the expert has said and done will be _______ to the department managers.
| A．value | B．benefit | C．of valuable | D．of benefit |
The_______is just around the corner and you won’t miss it.
| A．shoe’s shop | B．shoe shop | C．shoes shop | D．shoes’ shop |
US President Barack Obama is expecting the economy to show some _________ of recovery．
| A．attempts | B．signs | C．contents | D．waves |