My grandmother has got _______ earache. ( )

A．a

B．an

C．the

Look, the children _______ exercise. ( )

A．doing

B．is doing

C．are doing

We can _______ a lot _______ the Internet. ( )

A．learn; to

B．learns; from

C．learn; from

选择适当的词填空。
【小题1】—Let’s go and ________(play / playing) table tennis.
—Good idea.
【小题2】—Are you from different ________ (country / countries)?
—Yes.
【小题3】Peter is ________ (on / in) duty today.
【小题4】Touch your shoulders ________ (on / with) your hands.
【小题5】My mother usually ________ (watch / watches) TV in the evenings.
【小题6】Mr White is from ________ (UK / the UK), he is visiting Nanjing now.
【小题7】—Show ________ (we / us) how to make a model plane.
—OK.
【小题8】This is ________ (the first / first) lesson of the new term.