Construct present perfect continuous: He (to study) for the exam all week.
A. He has studied for the exam all week.
B. He is studying for the exam all week.
C. He was studying for the exam all week.
D. He has been studying for the exam all week.

Random Topics:
Verbs & Phrasal VerbsRelative Clauses with who and which3rd Person SingularInterrogative PronounsFirst Conditional & Future TensesReporting VerbsAdverbs of Frequency & Simple Present TenseFunctional Sentence TypesPrepositions and Prepositional PhrasesSentence CompletionOther quiz:
Grammar › ViewHe kindly smiled at the new student.
Kindly is what part of speech?
_____
A. noun
B. verb
C. adjective
D. adverb
E. pronoun
Adverbial Clauses of Manner and Result › View
He glanced at the clock nervously. He knew that he was running out of time.
A. He glanced at the clock nervously as if he still had time.
B. He glanced at the clock nervously like he was running out of time.
C. He glanced at the clock nervously although he was running out of time.
Grammar › ViewI catch ________ to work every day.
A. one bus
B. some bus
C. the bus
Grammar › View
What’s he doing?
A. He play tennis
B. He’s playing tennis
