[ Subject Verb Agreement ]
The samples on the tray in the lab (need/needs) testing.
A. need
B. needs

Random Topics:
Modals VerbsModals: Possibility, Necessity, ExpectationTenses: Present simple, Past Simple, Future SimpleEs and SComparative AdverbsConjunctions - ConnectorsCountable & Noncountable NounsPronoun & Present SimplePresent Continuous TenseConditional Type 1Other quiz:
Grammar › ViewThey (go) _________ to school every day.
A. goes
B. going
C. go
D. gone
Conditional Sentence Type 0, 1, 2, 3 › View
When he … to sleep, he never counts sheep leaping over fences.
- goes
- will go
Used to › View
Teachers ________ to be stricter 40 years ago
A. didn´t used
B. use to
C. used to
Modals › View
Alice is so sad. They… up with Bill.
A. must broke
B. must have broken
C. might breaks
D. need have broken
