[ Grammar ]
I didn’t meet him yesterday. He _______ on business.
A. must go
B. should go
C. must have gone
D. should have gone

Random Topics:
Past Perfect and Past Perfect Continuous TenseSubjunctivesAdjective and AdverbTOEFL Adjective and AdverbConditional Sentence Type 2 and Type 3Too or EnoughPossessive Adjectives VS Possessive PronounsAdverbial Clause / If / ComparativesConjunctions and CommasModals and ConditionalsOther quiz:
Grammar › ViewA:______ Jerry ______ out the trash? B:No, he didn’t. He’s still doing his homework in his room.
A. Is; taking
B. Does; take
C. Did; taking
D. Did; take
Grammar › View
. I ____ my lost pencil under the table.
A. find
B. finding
C. finds
D. found
E. founded
Grammar › ViewSwitzerland is one of __________ (rich) countries in the world.
A. rich
B. richer
C. the richest
D. as rich
Vocabulary › View
a brightly colored tropical bird that is often kept as a pet
A. ground
B. parrot
C. neighbor
D. panic
