[ Tenses ]
I was tired because I …………………………………………. (type) for a long time.
A. typed
B. have typed
C. have been typing
D. had been typing

Random Topics:
Comparative and Superlative AdverbsComparative - SuperlativePronounReported Speech and Reporting VerbsSentencesSentence StructureRelative Clauses with who and whichComparison Degree & GerundsPresent / Future / Present Progressive / non Action VerbsArticles with Proper NounsOther quiz:
Grammar › View_____________ you sent me the file, please?
A. Should
B. Could
C. Must
D. Might
Tenses › View
Mai will redecorate her bedroom ______ .
A. as Tet holiday approaches
B. since Tet holiday approached
C. when Tet holiday was approaching
D. before Tet holiday approached
Grammar › ViewThe number of the ghost employees ________ listed.
A. was
B. were
Grammar: so and such › View
The weather is beautiful, isn’t it? I didn’t expect it to be ……….nice day.
A. so
B. such
C. such a
