E-mail, as well as telephones, ________ an important part in daily communication.
Only when _____ possible to settle the problem how to get the machine repaired.
At that time, the only way she thought of _______ money was to sell her wedding ring.
— I prefer shutting myself in and listening to music all day on Sundays.— That’s ______ I don’t agree. You should have a more active life.
— I can’t find my dictionary anywhere.— You _____ have lost it while studying in the library.
Hearing the ______ news, all the students looked ______ at their headmaster.