.——Someone might see us. ——________? We’re not doing anything illegal.
.Most of the problems the government had been paying much attention to __ at last.
Last year many well-known singers did everything _______ help the people in the tsunami-hit countries.
John decided that he had to do something to _______ his anger .
If we keep wasting so much energy, _____are that our oil wells will dry up and the environment will be destroyed.
— Where is my English book?— I brought it to you _____you were in hospital yesterday afternoon.