…………… have you been working as a teacher?
A. When
B. How long ago
C. How long

Random Topics:
1st and 2nd ConditionalsGrammar ModalsPronouns and AdverbsAdverbial Clause of ConcessionVerbs and AdverbsFuture TensesPast Simple TensesSecond ConditionalVerbs, Tenses, and VocabularyModals and InversionOther quiz:
Grammar › ViewA fool and his money are soon parted.
A. A person who comes early has more advantage than someone who is late.
B. You can only judge if something is good or bad when you have tried it.
C. When the boss is away, the workers do not do their work properly.
D. A foolish person spends his money carelessly and soon becomes poor.
Vocab and Grammar › View
Pick the answer that matches the definition:
something that solves a problem
A. Identify
B. Solution
Question Tag › Viewhe will be coming with his new idea, ……….?
A. is she
B. did he
C. doesn’t he
D. won’t he
Tenses › View
They will visit us ______ .
A. once they go to Hai Phong
B. as they went to Hai Phong
C. when they were going to Hai Phong
D. after they had gone to Hai Phong