Some of the students are not sure ___ spelling the word, while others are not su
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Some of the students are not sure ___ spelling the word, while others are not sure ___ the use of some grammatical rules.| A．of… about | B．about…to | C．of…to | D．for….of |
|
答案
| A |
解析
| be sure of意思是：确信。be sure about意思是：对…有把握。 |
举一反三
| The nice girl always dresses herself __ a splendid dress. |
| The overcoat made ____ your measure also fits me. |
My uncle lives＿＿＿＿116 Changhe Street. His room is ＿＿＿＿the sixth floor. | A．at； on | B．to； at | C．on； in | D．of； to |
|
In Hangzhou Mr. Black was so struck＿＿＿＿the beauty of nature that he stayed＿＿＿another night. | A．at； on | B．with； at | C．for； in | D．by； for |
|
| The touch they had both kept in ＿＿＿many years broke. |
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