He will go back to work in his country after he _____ his course on Advanced Engineering in London.
A. finishes
B. has finished
C. had finished
D. was finishing

Random Topics:
Compound and Complex SentencesConjunctions - ConnectorsNoun / PronounZero ConditionalPresent/Past/Future Continuous TenseSpeculation with Modal VerbsPhrases and TensesArticle & PrepositionGrammar: wishes and regretsCountable - UncountableOther quiz:
Modal Verbs › View_____ I borrow your pen for a moment?
A. Must
B. May
Grammar › View
The Titanic is now an underwater shelter for marine life. It sank in 1912.
A. The Titanic, which sank in 1912, is now an underwater shelter for marine life.
B. The Titanic, that sank in 1912, is now an underwater shelter for marine life.
C. The Titanic, whose sank in 1912, is now an underwater shelter for marine life.
D. The Titanic, sank in 1912, is now an underwater shelter for marine life.
Grammar › ViewI need a cold drink to ___ my thirst after playing soccer
A. calm
B. crave
C. soothe
D. quench
Future Tenses › View
Watch out! The baby …..
A. is going to fall
B. will fall
C. will be falling