Fill in the blanks with the most suitable verb forms:
The transport system _________ likely to change in the future. One probable difference is that there ________ more electric vehicles.
A preposition is a word which comes before a noun or a pronoun and establishes a relationship between the elements of a clause or words.
Option A is correct as we are talking about a fact and therefore the simple present tense must be used. Here, be is the main verb. Difference indicates the use of future tense ( will be)
The other options are wrong as no other tense can be used here.
The correct answer is A) is / will be