24．The teacher together with the students ________ discussing Reading Skills that _______ newly published in America.
| A．are; were | B．is; were | C．are; was | D．is; was |
If I ____ you, I would join the army.
| A．am | B．was | C．were | D．would be |
All the books donated by the students from urban schools are said ______ to the students in rural areas the other day.
| A．to be sent | B．being sent | C．having been sent | D．to have been sent |
If he takes on this work, he will have no choice but ______ an even greater challenge.
| A．meets | B．meeting | C．meet | D．to meet |
Something terrible _________ if he didn’t come to the bar as he always did.
| A．should happen | B．might happen |
| C．must have happened | D．can have happened |
– Listen! It’s raining.
-- Oh, really? I ________ it at all.
| A．didn’t realize | B．don’t realize | C．haven’t realized | D．hadn’t realized |