The door _____ open, no matter how hard she pushed.
| A．shouldn’t |
| B．couldn’t |
| C．wouldn’t |
| D．mightn’t |
for his expert advice, John is often asked to help others with their personal affairs.
| A．Having known | B．Being known |
| C．Known | D．Knowing |
I suggest you save you find with an electronic bookmark so you can return to it later.
| A．what | B．that | C．how | D．where |
It is the only time in history that two Nobel Prizes to the same person.
| A．have been given | B．had been given |
| C．have given | D．will give |
The flowers sweet in the garden attracted the visitors to the beauty of nature.
| A．smell | B．smelt | C．smelling | D．to be smelt |
It has been proved taking exercise regularly does good to one’s health.
| A．whether | B．when | C．what | D．that |