In recent years the environmental pollution has been _________ than before.
| A．so serious | B．serious | C．more serious | D．too serious |
相关试题
Han Han is a popular writer. His new book will ______ this September.
| A．come up | B．come in | C．come out | D．come on |
My cousin wants to keep slim. She does exercise every morning and ______ eats meat.
| A．seldom | B．always | C．usually | D．often |
—My recorder is broken. Could I use yours?
—_______, but you have to return it tomorrow.
| A．I’m not sure | B．No problem | C．I’m sorry | D．I hope so |
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