．In Australia there are over 140 species of snakes, many of ______ are extremely dangerous.
| A．which | B．that | C．them | D．those |
With a lot of difficult problems ________, the newly-elected president is having a hard time.
| A．settled | B．setting |
| C．to settle | D．being settled |
The picture _______ on the wall is painted by my nephew.
| A．having hung | B．hanging |
| C．hangs | D．being hung |
The lady said she would buy a gift for her daughter with the ________.
| A．20 dollars remained | B．20 dollars to remain |
| C．remained 20 dollars | D．remaining 20 dollars |
_______ in 1636, Harvard is one of the most famous universities in the United States.
| A．Being founded | B．It was founded |
| C．Founded | D．Founding |
_______ time, he’ll make a first-class tennis player.
| A．Having given | B．To give |
| C．Giving | D．Given |