[ Simple Present Tense ]
They always____exercise
A. Do
B. Did
C. Does
D. Are doing

Random Topics:
Auxiliary Verbs (be, do, have)Modals - Reported Speech - ConditionalsAbstract NounsCountable & Noncountable NounsInfinitive GerundPast Simple and Past Continuous TensesVerb TenseFor vs SinceAdverb of FrequencyInfinitive and GerundOther quiz:
Grammar › ViewWhat is the main purpose of our immune system?
A. To help us move
B. To help us breathe
C. To help protect us from bacteria and viruses
D. To help our hair grow
Adjective › View
A: How was your exam? B: Not good. It was ___ difficult.
a.absolutely
b.really
Grammar › ViewLast week, the weather conditions affect the yield of the vegetable garden. (T/F)
A. TRUE
B. FALSE
Grammar › View
That wasn’t a good idea, you _____ thought about it more carefully.
A. ought have
B. must have
C. have to
D. should have
