— Have you ever worked with a tape recorder?
— I ________ it a lot when I was studying French in school.
| A．used | B．was used | C．have used | D．had used |
—Did you ask your elder brother for help?
—I need to. I managed it by myself.
| A．don't | B．wouldn't | C．didn't | D．won't |
We will be given a(n)to ask questions at the end of the lecture.
| A．presentation | B．explanation | C．opportunity | D．possibility |
We all sighed with relief when plane finally landed safely.
| A．a;不填 | B．不填;the | C．a;a | D．a;the |
It was ____ loud music that we couldn’t hear ourselves speak.
| A．such a | B．such | C．so | D．so a |
---I’m very sorry to have ___ you with so many questions.
---It doesn’t matter.
| A．forbidden | B．excused | C．impressed | D．bothered |