I’ve never seen anyone perform so beautifully －__________ Tasso play.
| A．just watch | B．just to watch | C．just watching | D．just having watched |
It is the first time that he ______ here and now it is high time that he ______ around.
| A．come; should be shown | B．has come; was shown |
| C．came; was shown | D．has come; be shown |
The construction of the gym caused much noise, __________ it difficult for people nearby to sleep.
| A．made | B．to make | C．making | D．having made |
She won’t be able to come next week, because she _________ herself in Mount Tai then.
| A．enjoys | B．will be enjoying | C．is enjoying | D．Enjoyed |
Hearing loss in a large number of teenagers______ caused because of their listening to loud music.
| A．is | B．has | C．are | D．have |
_________ from Adelaide to Darwin and you’ll observe some of Australia’s most beautiful landscapes.
| A．Traveling | B．To travel | C．Traveled | D．Travel |