Please _______ the numbers and I’m sure they will ______ more than 1,000.
| A．add up; add to | B．add up; add up |
| C．add up; add up to | D．add to; add up |
. He wanted to make sure __________.
| A．how we went there by bus | B．where did we go |
| C．what did we go there | D．when we went there |
---- ________
---- Thank you. I certainly will.
| A．Remember me to your family |
| B．What can I do for you? |
| C．I greatly appreciate our friendship. |
| D．I wish you succeed. |
It is the prevention of disease ________ its successful treatments that has led to the rapid increase of the world’s population.
| A．rather than | B．other than |
| C．more than | D．less than |
Nobody would like _________ because of their appearance.
| A．to be laughed at | B．to laugh at |
| C．to laughing at | D．to be laughing at |
Why is________ you are so late for the class?
| A．it that | B．that it |
| C．it | D．that |