Think of a word which best fits the context of the sentence, and type it into the space.
Use only one word for each space.
Once all the questions have been answered, click on the check button.
Correct answers will appear in green, incorrect answers in red.
Your mark will be given as a percentage.
The pass mark for this exercise is 60% or over, and you need to be able to do this exercise in the exam in about 10 minutes.
(You have been given a timer.)
I don't agree ......WITH............what you say.
The swifts are a family of highly aerial birds (1) are superficially similar to swallows.
They are (2) fact more closely related to hummingbirds.
It cannot (3) denied that there are some strong resemblances between swifts and swallows.
This is due to some coincidences in evolution, which reflect similar lifestyles based (4) catching insects in flight.
Swifts are the fastest (5) birds.
Larger species are amongst the fastest fliers in the animal kingdom, and the common swift (6) cover enormous distances in a single year.
This ability is due to the (7) that swift wings have proportionately large wingtip bones.
This allows them to alter the shape and area of (8) wings.
Your score is /, which represents % of correct answers.