[ If Conditional ]
She would have rung the doorbell if she …………. her keys.
A. lose
B. was lost
C. have been losing
D. had lost

Random Topics:
Contrastive ConjunctionsPresent Simple Positive and NegativeComparative & Superlative AdverbsInfinitives and GerundsMix-TensesTo infinitive - GerundActive and PassiveQuantifies and Modals of DeductionPresent Continous TenseRegular Plural NounsOther quiz:
Grammar › ViewThe teachers told us to get a good night’s sleep, eat a good breakfast, and show up ready to learn.
A. simple
B. compound
Grammar › View
Every weekend, my sister ______ chicken rice for my family.
A. cooking
B. cooks
C. cooked
D. cook
Grammar › ViewMy old boss ___ praise us when we did our job well.
A. was used to
B. used to
C. use to
Modal Verbs › View
Lack of obligation: The company ________ provide training.
A. has to
B. have to
C. don’t have to
D. doesn’t have to
