Remember ______ this book to the library tomorrow.
| A．returning | B．to borrow |
C．to return | D．borrowing |
Now telephones are very popular and they are much ______ than before.
| A．cheap | B．cheaper |
| C．cheapest | D．the cheapest |
_______ it got dark, they worked hard there.
| A．Though | B．If |
| C．Since | D．Because |
Listen up, everyone! I have ______ to tell you.
| A．anything important | B．important something |
| C．something important | D．important anything |
It’s ________ to leave a child alone.
| A．safe | B．danger |
| C．safety | D．dangerous |
I’ll return the book to the library as soon as I________it .
| A．will finish | B．am going to finish |
| C．finish | D．have finished |