________the latest estimates，insects account for probably 4 to 6 million of the species of creatures living on the planet.
| A．Owing to |
| B．According to |
| C．In spite of |
| D．In case of |
David is a great teammate. He knows well how to work with ________.
| A．both | B．other | C．others | D．another |
I was about to walk over to Tom’ s seat when he ________ and left.
| A．turned up | B．got up | C．kept up | D．came up |
Please do not feed the fish; they ________ die if they eat too much.
| A．shall | B．must | C．may | D．need |
The 16th Asian Games started ________ November 12 th, 2010 in Guangzhou.
| A．on | B．at | C．in | D．by |
David wants to be ________ engineer while Cathy wants to be ________ doctor.
| A．an; the | B．the; the | C．the; a | D．an; a |