[ How many / How much - Is there / Are there ]
_________ countries are there in the world?
A. How much
B. How many
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Grammar › ViewIn the last sentence, what does It refer to?
Most of the searching performed on the internet utilises Boolean logic. Boolean logic refers to the logical relationships among search terms and is named after the British mathematician George Boole. It allows you to combine search terms using and, not and or.
A. the searching
B. the internet
C. Boolean logic
D. the logical relationships
Gerund vs Infinitive › View
It’s too late to buy any food. We’ll have to make _____ with what we’ve got.
A. to do
B. do
C. doing