[ Grammar ]
Mary ______ at the moment, so she can’t answer the telephone.
A. works
B. is working
C. had worked
D. was working

Random Topics:
Distinguishing Future TensesPresent Simple and Modal VerbsPast and Present ContinuousCan, Could, May, Mighttoo / enoughSimple PastTransitional WordsMay, MightAdverbial Clause / If / ComparativesAlthough, Though, In spite of, DespiteOther quiz:
going to › ViewWhat is the use of the future going to? / cual es el uso del future going to
A. Hablar de una situación del pasado
B. Expresar una intención para hacer una actividad en el futuro
C. Dar un consejo
Grammar › View
Choose the correct conjunction: We’ll go out ___ it stops raining.
A. because
B. if
C. unless
D. although
