There are usually ________ days in February. [ ]A. twenty-eightB. twenty-n
题型：同步题难度：来源：
| There are usually ________ days in February. |
| [ ] |
A. twenty-eight
B. twenty-nine
C. thirty
D. thirty-one |
答案
| A |
举一反三
| The boy is _____. Today is his _____ birthday. |
| [ ] |
A. twelfth; twelfth
B. twelve; twelfth
C. twelfth; twelve
D. twelve; twelve |
| We read $ 20 as _____. |
| [ ] |
A. twenty dollar
B. twenty dollars
C. dollar twenty
D. dollars twenty |
—How much does it cost to build the school library?
—Four yuan . |
| [ ] |
A. million
B. millions
C. millions of
D. million of |
| Now children, turn to page _____ and look at the _____ picture in Lesson Two. |
| [ ] |
A. twentieth; one
B. twenty; one
C. twenty; first |
| There are usually (通常) ________ days in February. |
| [ ] |
A. thirty-one
B. twenty-nine
C. thirty
D. twenty-eight |
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