--- John is said to have written two books last year.一Yes, so he＿＿．They are both about the Second World War.
Vitamin D gets produced when animals are exposed to direct sunlight, for＿reason, itis always advisable to give them chances to spend time in the sun.
In the middle of February, the weather＿＿favorable for work, the workers began to repair and secure the dam of the river.
The local guide told the explorers that ropes and knives were＿＿wanted to go into the inner part of the mountain must take along.
In many cities of China, if an ambulance is＿＿in a traffic jam, police will respond to the emergency.
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