| 15 |
He is the president of Rancho Cucamongo Corp.
|
DEV
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|
|
| 14 |
I would like to visit Rancho Cucamongo.
|
DEV
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|
|
| 13 |
North America is economically united by a trade agreement.
|
DEV
|
|
|
| 12 |
North America is economically united by a trade agreement called NAFTA.
|
STABLE
|
|
|
| 11 |
The presidents of the countries in South America gathered for a conference.
|
STABLE
|
|
|
| 10 |
I visited Antarctica, when I was a college student.
|
STABLE
|
|
|
| 9 |
I visited Antarctica once, when I was a college student.
|
STABLE
|
|
|
| 8 |
I have spent a lot of time in Africa.
|
STABLE
|
|
|
| 7 |
On our way to Europe, our plane was delayed by a storm.
|
STABLE
|
|
|
| 6 |
I have spent a lot of time in Asia.
|
STABLE
|
|
|
| 5 |
The west coast of the USA is having a drought.
|
STABLE
|
|
|
| 3 |
The capital of China is Beijing.
|
STABLE
|
|
|
| 2 |
The Central Intelligence Agency failed to discover the plot.
|
STABLE
|
|
|
| 1 |
The Department of Defense is a large organization.
|
STABLE
|
|
|
| 0 |
The Federal Aviation Administration should come up with some good regulations.
|
STABLE
|
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|
