Everyone in the class is expected to________in the discussion.
A．participate B．attend C．donate D．declare
Please post this letter in the post office nearby, and ______, I will get two tickets in the train station.
A．in meantime B．on the meanwhile C．in meanwhile D．in the meantime
Many people are not________the danger of their children's bad habits, which lead to failing to make their dreams come true.
A．well aware to B．very aware of C．aware that D．well aware of
A family of five is really a heavy burden, so we all have to work hard to________.
A．find out B．work out C．help out D．carry out
Such animals like dinosaurs died out because they couldn’t _____ to the change of the climate.
A．suit B．keep C．adapt D．switch
I like getting up very early in summer.The morning air is so good _____.
A．to be breathing B．to breathe C．breathing D．being breathed
