Put one suitable preposition to complete the sentence
1. Please wait........ me a few minutes.
2. You can use dictionary to look .................. new words.
3. They are very proud .............. their son.
4. My sister is not very good .................... Math.
5. Tim should work harder .................... his Spanish pronunciation.
6. Do you believe.......... ghost?
7. Try to lean the meaning of new words........... heart.
8. I got good grade ............ English and His tory.
9. How much time do you spend.............. English?
10. Some learners write the meaning of new words................ their mother tongue.