_____ the extremely hot weather, we continued having classes.[ ]

_____ to blame him for neglect ofduty The president of the company is his uncle.

customer withdraws money from the bank, it isrequired to leave his signature. But how can we be sure it is_______

As we know it’s difficult to live in a foreign country.-________if you can’t understand the language there.

the project be finished as planned—Sure, ____ it completed in time, we’ll work two more hours a day.