After Shen ________________ to England, he _______________ his communication in English.
A. Traveled / had improved
B. Traveled / improved
C. Had traveled / had improved
D. Had traveled / improved

Random Topics:
Grammar - to beSimple and Past TensesTypes of PhrasesModal ProbabilitySynonymPast or Present Verb TensePossessive Adjectives and Possessive PronounsTenses StructureSentence StructureWord FormationOther quiz:
Grammar › ViewThe table is _______ the chair and the sofa.
A. between
B. next to
C. beside
D. near
Grammar TOEFL › View
______ at two prestigious universities, Amanda has a hard time deciding which one to choose.
A. Accepting
B. She was accepted
C. Accepted
D. She was accepting
Tenses › ViewWhat is the purpose of using the Simple Future tense?
A. To express an action that will happen in the future.
B. To express an ongoing action in the present.
C. To express a past action.
D. To express a habitual action.
Grammar › View
A pair of leather shoes ______ a lot of money.
A. cost
B. is costing
C. costs
D. are
