They are due ……… at 12.
A. To arrive
B. Arriving

Random Topics:
Quantifiers & Modals of ObligationTenses - AuxiliariesWish clauseSimple Past/Past ProgressiveGive, do and makeModals VerbThe Future Simple TensePreposition on TimeAsking and Giving OpinionGrammar - used toOther quiz:
Grammar › ViewWhat is the helping verb in the sentence below?
The athlete does practice every day.
_
A. athlete
B. does
C. practice
D. every
Modal Verbs › View
Rewrite the sentence using modal verbs:
It is a good idea for you to study for the science test in advance.
A. You don’t need to study for the science test in advance.
B. You should study for the science test in advance.
C. You might study for the science test in advance.
D. You can study for the science test in advance.
Word Form & Verb Tense › ViewEco Infrastructure Network’s main function is to deal with urban _____ problems to make Superstar City greener, cleaner and more sustainable
A. environmentally
B. environment
C. environmental
D. environ
To Infinitive or Gerund › View
He demanded ___ (speak) to the manager.
A. to speak
B. speaking