If weather forecasters-----warnings of storms time, telecommunications companies ---- to take steps to protect their satellites.

could have provided / had been able

could provide / would be able

can provide / would have been able

could be providing / will be able

উত্তর সিলেক্ট করলে সঠিক ও ভুল দেখাবে।

ব্যাখ্যা ও সঠিক সমাধান

উত্তর: could have provided / had been able

বিস্তারিত সমাধান