I saw a cat ________ the tree when I was walking in the street．

A．in

B．on

C．up

D．at

I was too tired to ________ of bed．

A．get out

B．get into

C．get back

D．get to

Did you find ________ in our class?

A．anything unusual

B．unusual anything

C．something unusual

D．unusual something

What ________ your parents ________ at nine last night?

A．did; do

B．were; doing

C．are; doing

D．was; doing

I ________ the teacher carefully, but I can't ________ anything．

A．hear; listen

B．listen to; hear

C．hear to; hear

D．listen; hear

It ________ hard at this time yesterday．

A．snowed

B．was snowing

C．is snowing

D．snows

Li Ping was watching TV ________ there was a loud knock on the door．

A．when

B．while

C．if

D．because

Mr．Li is out．But he ________ here ten minutes ago．

A．was

B．is

C．will be

D．would be

Our teachers are getting on well ________ us．We all like them．

A．for

B．with

C．in

D．about

When I came in, he ________ a letter．

A．wrote

B．is writing

C．was writing

D．writing