We are now in the age of great changes. Everything sometimes ________ before it is felt.
| A．change | B．had changed | C．has changed | D．changed |
_______empty wine bottles stood on the back porch.
| A．A kind of | B．A type of | C．A collection of | D．The number of |
_______environmental issues, the government will enforce existing regulations.
| A．Regards | B．As | C．For | D．As regards |
_______environmental issues, the government will enforce existing regulations.
| A．Regards | B．As | C．For | D．As regards |
Eliza remembers everything exactly as if it _________ yesterday.
| A．was happening | B．happens | C．has happened | D．happened |
——Do you think it necessary that he ________ to Miami but to New York?
——I agree， but the problem is ________ he has refused to.
| A．will not be sent; that |
| B．not be sent; that |
| C．should not be sent;what |
| D．should not send; what |