He was one of the weakest students at the beginning of the year, but he has made a ​ (a)   ​ (b)   since then.

• dramatic
• improvement
• improved
• dramatically

We went to visit the ancient temple ​ (a)   . They were amazing!

• ruins
• ruined

I have a headache; I think it's a side ​ (a)   from the medicines I'm taking.

• effect
• affect
• affection

Not getting enough sleep can seriously ​ (a)   your health.

• affect
• effect
• affection

In this culture, public displays of ​ (a)   are considered very rude.

• affection
• effect
• affect

As I've grown older, my eyesight has begun to ​ (a)   ; now I need glasses just to read messages on my phone.

• deteriorate
• deterioration

The ​ (a)   of public buildings shows that the government lacks the funds to maintain them properly.

• deterioration
• deteriorate

Artificial Intelligence has ​ (a)   ​ (b)   fast; it's like talking to a real person!

• advanced
• alarmingly
• advancement
• alarming

Some believe that the ​ (a)   ​ ​ (b)   in AI are the result of alien technology being given to humans.

• rapid
• advancements
• rapidly
• advance

"Getting too much sun can cause ​ (a)   ​ (b)   to your health!"

• serious
• harm
• seriously