—Are you coming to the English evening?
—I'm not sure. I ________ go to the concert instead.
| A．must | B．would | C．should | D．might |
He told us all________ he had done with the waste material.
| A．that | B．which | C．what | D．whom |
Lincoln’s step mother did all she could______him.
| A．help | B．to help | C．helped | D．helping |
The TV play brought the hours back to me______I was taken good care of in that faraway village.
| A．when | B．that | C．until | D．where |
The work should be given to______you think can finish it ahead of time.
| A．no matter who | B．whoever | C．whomever | D．whom |
We feed children____are hungry.
| A．whom we think | B．who we think | C．we think who | D．we think whom |