Identify one mistake in the following sentences:
Trả lời câu hỏi dưới đây:
Mined over 2,000 years ago, copper is one of the earliest know metals.
There has been a great increase in retail sales,_____________________ ?
Long ago, women were_________to vote in political elections.
______ his brother, Mike is active and friendly.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
__________ John Kennedy was elected president, he was the youngest American President ever.
Supporters of free-market globalization point out that_____________________ .
_______ has been a topic of continual geological research.
The Lake District,____________________ was made a national park in 1951, attracts a large number of tourists every year.
Tom: "___________________ " Mike: "I won't say no!"
I am sorry I have no time at present to____________________ detail of our plan.