[ Present Perfect Tense ]
I haven’t heard from my uncle ______ he left.
A. For
B. Since

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Lexico and GrammarParts of Speech and GrammarSuperlative Adjectivestake, make, doUncountable NounsPronouns, Verb, ConjunctionSubject Verb Agreement and Coordinating ConjunctionsVocab and GrammarGrammar: so and suchQuestion WordsOther quiz:
Past Perfect Tense › ViewI was more than happy to see Tom again because I … him for ages.
A. hadn’t seen
B. saw
C. hadenot seen
D. didn’t see
Grammar and Essay › View
Peter has 6 children ____ he doesn´t have money
A. although
B. since
C. because
Grammar › ViewShe ___ a good job helping us.
a. did
b. made
Adverb of Frequency and Tenses › View
At school, we always ________ a uniform.
A. wearing
B. wears
C. wear
D. worn