After _____ seemed an endless wait, it was his turn to enter the director’s office.
| A．that | B．it | C．what | D．which |
Peter was ______ to come to school this morning.
| A．a second | B．the second | C．a No. two | D．the two |
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 |