[ Grammar ]
They aren’t answering the phone so they ___ out.
A. can’t be
B. must be
C. mustn’t be
Random Topics:
AntonymsCoordinate ConjunctionActive and Passive Gerunds and InfinitivesVocabulary and Sentence StructurePast Tense & Past Continuous TenseWH Questions and Simple Past TenseAdjectives and ArticlesVerb Moods and Vague PronounsPoetry VocabularyPresent Progressive or Present SimpleOther quiz:
Past Perfect Tense › ViewMy sister washed up the plates after she _____ (have) her lunch.
A. have had
B. has had
C. have
D. had had
Auxiliary and Modal Verbs › View
Which characteristic do modal auxiliary verbs share with primary auxiliaries?
A. They must be followed by a full infinitive
B. They can be used in the progressive tense
C. They lack a full set of forms
D. They have proper past tenses
General Quiz › ViewMr. Mujibur bought a ______ of bananas from the market.
A. herd
B. bunch
C. group
D. flock
Adjective › View
It ___ me to read that economy is getting worse.
a.worrying
b.worried