His collection of stamps is really impressive. I wonder how many he …… so far.
A. has collected
B. collected
C. hasn’t collected
D. didn’t collect

Random Topics:
used to vs be used to vs get used toWh-QuestionParts of SpeechGerund, Participle, Infinitive, or AppositiveMixed GrammarIELTS VocabularyNoun, Adjective, and Adverb ClausesPrepositions of MovementGrammar - much, many, a lot ofGrammar - Present PerfectOther quiz:
Grammar › ViewThe peregrine falcon is a beautiful wild bird. It is also one of the fastest. In 1978, the peregrine falcon was placed on the endangered species list. The main reason the peregrine falcon was dying out was the use of pesticides.
Which of the following is NOT a supporting detail?
A. The peregrine falcon is one of the fastest wild birds
B. It was placed on the endangered species list
C. It was dying out because of pesticides
D. The peregrine falcon is an amazing bird
Grammar › View
Adam ____________ a new pair of shoes last night.
A. buys
B. buy
C. bought
D. is buying
Grammar › ViewLook at that_________sports car
A. Italian, red, beautiful
B. red, beautiful, italian
C. beautiful, red, italian
Grammar › View
It’s sunny. There are flowers all around. It is ….
A. winter
B. autumn
C. spring
D. summer
