[ Grammar - could / could not ]
In the past, doctors couldn’t __________ as many lives as they can now.
A. saved
B. to saves
C. save
D. saving

Random Topics:
IF CLAUSEPassive Voice and Relative ClausesSimple Past TensesPresent Simple and Present Continuous TensesThere is, There are, Some, AnyMiscellaneous Grammar UsagesClauses and ConjunctionSubordinating and Coordinating ConjunctionsPronounsTime PhrasesOther quiz:
Phrasal Verbs › Viewpass (for time); to pass a place
A. go on
B. go by
C. go down
Grammar › View
We _________ in a hotel because our house was damaged in a fire.
A. Stay
B. Are staying
Do you know anyone ______ has visited Ireland?
A. whom
B. whose
C. that
D. which
Grammar › View
The movie was ____ boring that I fell asleep.
A. So
B. And
C. More
D. The most
