----______was it ______ they discovered the entrance to the underground palace?
----Totally by chance.
| A．How, that | B．What, that | C．When, when | D．Where, that |
Hurry up, kids! The school bus _______ for us!
| A．waits | B．was waiting | C．waited | D．is waiting |
I didn’t think I’d like the movie, but actually it _____ pretty good.
| A．has been | B．was | C．had been | D．would be |
— Oh no! We’re too late. The train _______.
— That’s Ok. We’ll catch the next train to London.
| A．was leaving | B．had left | C．has left | D．has been leaving |
I ________ to visit you later that day, but I had to phone and cancel.
| A．come | B．came | C．am coming | D．was coming |
Generally, students’ inner motivation with high expectations from others ______ essential to their development.
| A．is | B．are | C．was | D．were |