Fill in the blank with correct prepositions My wife has been ........ Ho Chi Minh city several times.

Correct the the mistakes in the following sentences. Use the future simple and continuous tense.

Don't call me at 10 o'clock. I am going to fly to Spain.

Find the mistake

If (A) you do not understand (B) what were written (C) in the book, you could ask (D) Mr. Pike.

Find one mistake in each following sentence.

If there isn’t enough food, we couldn’t continue our journey.

Write the correct tense or form of the verbs in brackets.

Just a decade ago, cell phones___________ (primarily/ use) for calling people.

Tìm lỗi sai: My younger brother has worked in a bank since a long time.