1. The harsh weather prevented us from going to work this morning. (made)

--> It was

2. It will be another four months before they take the final exam. (underway)
--> Not

3. Oliver apologizes for taking her cell phone unintentionally. (mistake)
--> Oliver is sorry to

4. Amstrong should tell all the truth about what he knows. (whole)
--> It's about 

5. He is very rich thanks to the money he inherited from his uncle. (came)
--> Had it

P/S: Mong các bạn giúp, mình cảm ơn!

1. It is roughly estimated that this species of turtles lay 28,000 eggs a year. (Rough) 
-->

2. Most of your problems are caused by jealousy. (Causes)
--> It

PS: Mình cảm ơn rất nhiều!

1. It's quite likely that he will win the gold medal.
--> He will

2. I only heard her side of the story when I met her in Hanoi last week.
--> It was only last

3. "Sorry very much for the damage I caused to your car. I will make up for it." he said.
--> He apologized

4. Nobody can understand Sheila's reason for behaving like that.
-->Why Sheila

P/S: Mong các bạn giúp, Mình cảm ơn!