The first thing ______ we should do is to tell him the news.
| A．who | B．which | C．that | D．whom |
Do you remember_____ yesterday?
| A．what is your mother saying | B．what your mother said |
| C．what did your mother say | D．what your mother says |
Yuan Longping, a great person in China, _____as “father of hybrid rice”
| A．is regarded | B．has regarded |
| C．is regarding | D．regards |
______ the work is difficult, all the workers are keeping on working .
| A．But | B．Although | C．And | D．So |
Tom often makes his brother____ but yesterday he was made____ by his brother.
| A．cry; to cry | B．to cry; cry |
| C．cry; cry | D．to cry; to cry |