The hardware of that computer was infected by some new viruses.
______ his brother, Mike is active and friendly.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
_______ has been a topic of continual geological research.
There has been a great increase in retail sales,_____________________ ?
Standing on the tip of the cape,____________________ .
The pool should not be made so deep______small children can be safe there.
The word "allocated" in the passage mostly means "______".
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!"
__________ John Kennedy was elected president, he was the youngest American President ever.