— Is it Ok if I call you at 8 o’clock tonight?— I’m afraid not. I______dinner then.[ ]

Mary _______ to see the films because she ________ it twice.

The final exam is coming. I don’t think I can pass it though I work hard. — Be confident! Even students with ___intelligence can be successful, let alone clever students like you![ ]

________ has helped to protect the environment is worth praising.

Did you listen to the report last Friday?— Yes, it was about the shortage of migrant workersThat was the first time I______ about the subject