—Has Sam finished his homework today?
—I have no idea. He ________ it this morning.
| A．did | B．has done | C．was doing | D．had done |
The reporter has ever had a case ______ he got the wrong end of the stick.
| A．which | B．that | C．who | D．where |
Reporters are _______ to get all facts straight and present their stories fairly.
| A．believed | B．supposed | C．thought | D．considered |
John ______ in his room when he heard screaming.
| A．is studying | B．studied | C．was studying | D．has studied |
Not only ______ in photography, but _____ an amateur courses to update my skills.
| A．I am interested; I took |
| B．interested I am; did I take |
| C．I am interested; did I take |
| D．am I interested; I took |
_____ is no doubt _____ John’s knowledge of first aid saved Ms Slade’s life.
| A．It; that | B．It; which | C．There; that | D．What; that |