Choose the correct preposition to complete the sentences. (Chọn giới từ đúng để hoàn thành những câu sau.)
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Bài tập 3: Choose the correct preposition to complete the sentences. (Chọn giới từ đúng để hoàn thành những câu sau.)
1. This evening there will be a live broadcast of the debate at 8:15 p.m., so we have to prepare well ________ 8 p.m.
A. on B. for C. in D. by
2. My teacher said that language barriers might disappear ________ 30 years.
A. in B. for C. on D. at
3. Do you think smartphones will change a lot ________ the near future?
A. in B. at C. by D. for
4. The first camera phone, which was introduced in Japan ________ May 1999, marked a significant milestone in mobile technology.
A. in B. on C. at D. by
5. Using smoke signals is a way people communicated ________ the past.
A. at B. by C. for D. in
6. We will be away ________ two weeks.
A. in B. on C. by D. for
7. We won't have to wait ________ a long time for the announcement of the big sale of new inventions at the store.
A. in B. for C. at D. under
8. ________ 2035, smartphones will be incredibly slim and have the capability to fold like a book.
A. In B. By C. For D. At
Bài tập 3: Choose the correct preposition to complete the sentences. (Chọn giới từ đúng để hoàn thành những câu sau.)
1. This evening there will be a live broadcast of the debate at 8:15 p.m., so we have to prepare well ________ 8 p.m.
A. on B. for C. in D. by
2. My teacher said that language barriers might disappear ________ 30 years.
A. in B. for C. on D. at
3. Do you think smartphones will change a lot ________ the near future?
A. in B. at C. by D. for
4. The first camera phone, which was introduced in Japan ________ May 1999, marked a significant milestone in mobile technology.
A. in B. on C. at D. by
5. Using smoke signals is a way people communicated ________ the past.
A. at B. by C. for D. in
6. We will be away ________ two weeks.
A. in B. on C. by D. for
7. We won't have to wait ________ a long time for the announcement of the big sale of new inventions at the store.
A. in B. for C. at D. under
8. ________ 2035, smartphones will be incredibly slim and have the capability to fold like a book.
A. In B. By C. For D. At