________in the heart of Toronto is the Canadian National Tower , which is often called the CN Tower for short.
| A．Locating | B．Located | C．Having been located | D．Having located |
The system has been designed to give students quick and easy_______ to the digital resources of the library.
| A．approach | B．passage | C．way | D．access |
Either you or one of your students _________ to attend the meeting that is due tomorrow.
| A．are | B．is | C．have | D．be |
___________ certain that his invertion will lead to the development of production.
| A．That’s | B．This is | C．It’s | D．What’s |
He is brave, hard-working and kind, so he was elected ________ monitor of our class.
| A．as a | B．/ | C．a | D．to be the |
You are always telling me I am lazy. Look at your room. What a mess it is!_____.
| A．The day has eyes, the night has ears |
| B．The great thieves punish the little ones |
| C．That is like the pot calling the kettle black |
| D．When one will not, two cannot quarrel |