(Mystery) _______, the light came on, although no one was near the switch.

I think you should pay attention to the lessons in class. (You)

→ If I _______________________________________ the lessons in class.

Children are encouraged to take an (investigate) _______ approach to learning.

Perhaps we would go to Hanoi to visit our friends. (Went)

→ If we ________________________________________ visit our friends.

I worry about the (destruct) _______ effect that violent films may have on children.

Supply the correct form of the word in brackets

He suffers from a (nerve) _______ disorder.

His electric fan is not working and he feels hot. (would)

→ If his _______________________________________________ so hot.

Complete the second sentence so that it has a similar meaning to the first one, using the word in brackets

We might win $ 5000, and then we’d travel to Thailand. (if)

→ We’d travel __________________________________________ $ 5000.

The river froze to a (deep) _______ of over a meter.

He never goes out without his security men in (attend) _______.

Tyler is remarkably (world) _______-wise for such a young girl.

There's not enough (interact) _______ between the management and the workers.

They should give up smoking to protect their health. (would)

→ If they ___________________________________ improve their health.

Commodity prices can be a useful (indicate) _______ of inflation, he claimed.

Disneyworld is one of Florida's major (tour) _______ attractions.