________ in 1636, Harvard is one of the top universities in the United States.
| A．Being founded | B．It was founded | C．Founded | D．Founding |
---I’d like to buy this book, dad.
---Sorry, my darling, but the book is _____ adults only.
| A．meaning for | B．intended for |
| C．meant to | D．given to |
The two girls are so alike that strangers find ______ difficult to tell them apart.
| A．it | B．them | C．her | D．That |
He is busy now, otherwise he ______ go with you for a walk.
| A．will go | B．go | C．would go | D．would have gone |
Having a trip abroad is certainly good for the old couple, but it remains _____ whether they will enjoy it.
| A．to see | B．to be seen | C．seeing | D．Seen |
---How long will you stay here?
---I don’t know. ________.
| A．Never mind. | B．That’s OK. |
| C．It doesn’t matter. | D．It depends. |