It’s important for us to employ a word or a phrase according to the __________ in language studies.
E-mail, as well as telephones, ________ an important part in daily communication.
Mark woke up one morning only to find both water and electricity _______ because he had not been able to pay the bills.
Cycling is highly _______ to people’s health and the environment.
Your performance in the driving test didn’t reach the required standard— ________, you failed.
35.—Do you like the material?—Yes, it ___________ very soft.