Henry will certainly have finished his project ______ our voluntary campaign this summer.
A. when he joins
B. by the time he joined
C. while he is joining
D. as soon as he will join

Random Topics:
Present Tense vs Present ContinuousPast Simple and Past ProgressiveReflexive pronounsGrammar: so and suchSimple Present ProgressiveRelative PronounTensesFirst Conditional, Future Time ClausesPrepositions of TimeDegrees of ComparisonOther quiz:
Vocabulary › ViewIf you watch a movie despite its review, you:
A. watch it because the review recommends it
B. watch only the first half of it
C. watch it even though it got a poor review
D. watch it while reading the review
Grammar › View
Scientists have invented a car that can drive _________. That is to say it doesn’t need a driver.
A. on it own
B. on her own
C. on its own
D. on his own
First & Second Conditional › ViewIf I want a new car, I ____ one.
A. will buy
B. would buy
C. buy
Adverb and Noun Clauses › View
Art critics do not all agree on what ______ a painting great.
A. qualities make
B. are the qualities for making
C. qualities to make
D. do the qualities that make
