[ Present Perfect Negative and Interrogative ]
Affirmative. We ____________ (have) (open) the door to new knowledge.
A. had open
B. have opened

Random Topics:
WishesPronouns ( Interrogative )Conditional Sentence Type 2Future Tenses and ModalsDefinite, Indefinite and Zero ArticlesHas Got & Have GotAdverbs, Infinitives, Definite ArticleHelping and Linking VerbsNoun, Quantifiers and SuffixesAdverb PhrasesOther quiz:
Adjective Clause › ViewThe person ___ was Bob James in the customer service department.
A. to who I spoke
B. that I spoke to
C. to that I spoke
D. I spoke to him
Simple Past Tense › View
…………..he read novel last night?
A. Do
B. Did
C. Done
D. Are
Tag Question › ViewEveryone can hear my speech clearly, ____?
A. can’t they
B. could they
C. do they
D. can’t he/she
Conditional Sentence 0, 1 › View
If you cook vegetables for long time, they … their nutrients.
A. loses
B. losing
C. would lose
D. will lose
