[ Grammar and Vocabulary ]
He looks so tired!
A. He’s been working too hard
B. He’s been work too hard

Random Topics:
Zero ConditionalExpressing Obligation and ModalsCommon Grammar Mistakes and Spelling TipsQuantifiers MixAdverbial Clause of MannerPresent Progressive TenseMixed GrammarAdjectiveTime Clauses of FutureIndefinite and Definite ArticlesOther quiz:
Modal Verbs › ViewI stayed in bed all day yesterday. I __________ go to work, it was my first summer day off.
A. couldn’t
B. needn’t have
C. didn’t need to
D. shouldn’t
Grammar of Conjunctions and Prepotitions › View
I had a cute puppy _____ I lost him.
A. and
B. although
C. so
D. but
Grammar › ViewSince I started working for this company, I ________________ several pay rises in my salary because of my technical skills.
A. was given
B. have been given
C. have given
Grammar › View
How long …… on her smartphone?
A. has she talked
B. is she talked
C. has she been talking
D. is she talking
