Mary often helped her mother ________ out the trash last year.
A．takes B．took C．taking D．take
Next put all the ingredients in a big bowl and ________.
A．mix up them B．mix them up C．mix it up D．mix up it
What ________ the weather ________ like tomorrow?
A．is; going to B．is; \ C．is; going to be D．is; be
She saw a lot of boys ________ football on the playground when she walked past (经过).
A．play B．to play C．played D．playing
The famous movie star was born ________ July, 1998.
A．in B．on C．at D．for
The Changjiang River is one of ________ in the world.
A．the longest river B．the longest rivers C．the longer river D．longest river
