Mother told Jim to the milk until it boiled and turned off the gas.
| A．observe |
| B．glance |
| C．notice |
| D．watch |
Every means ______ tried, yet no result ______encouraging up to now.
| A．have been ...is | B．has been...has been | C．have ...has been | D．has...is |
Fifty-six ______ twenty-seven makes eighty-three.
| A．plus | B．minus | C．times | D．divided by |
. Which of the following is wrong?
This book is easy enough for ______.
| A．a six-year-old child | B．a child of six years old |
| C．a child aged six | D．a six years old child |
. ______ was done by the girl students.
| A．One three of the work | B．One third of the works |
| C．Two third of the works | D．Two thirds of the work |
There are ten boxes on the desk and the ______ is yours.
| A．nine | B．nineth | C．ninth | D．forth |