Technical documents shall be supplied with three blueprints and in three copies .
举一反三
- He sold ____ of the magazine this afternoon. A: three dozen copy B: three dozens copy C: three dozen copies D: three dozens copies
- - How shall I take the medicine? - Two pills a time, ___________. A: three time a day. B: three times day. C: three times a day. D: three time days.
- Enclosed are three copies of our catalog, ____which we hope you will find your preferences.
- How many types of insurance documents are there ? A: three B: five C: two D: six
- By May I _______ here for three years. A: shall have lived B: will be living C: have lived D: shall live