----- Mary looks very upset. She _______ failed to pass the exam.
----- I guess so. It's very difficult after all.
A must have B could have C should have D might have
John had planned to make a compromise， but he changed his mind at the last minute.
| A．anyhow | B．otherwise | C．therefore | D．somehow |
At your company there are a few machines similar to described in this magazine.
| A．these | B．them | C．those | D．ones |
I really can’t thank you enough， sir. —.
| A．That’s the most I could do | B．I’m glad to have been of help |
| C．No problem | D．With pleasure |
—You always go to the seaside and swim during the summer vacation. Don’t you want to try something different this year?
—
| A．Like what? | B．With pleasure. | C．Let’s go then. | D．That’s all right. |
In my daily life Iignore work, study, and other activities to check my phone for messages.
| A．fluently | B．frequently | C．immediately | D．practically |