birdsusetheirfeathersforflight-优题课

______ birds use their feathers for flight, some of their feathers are for other purposes.

A．

Once

B．

C．

Although

D．

Because

科目英语题型选择题难度中等

My washing machine ___________this week, so I have to wash my clothes by hand.

was repaired

is repaired

is being repaired

has been repaired

I didn't mean ___________anything but the ice cream looked so good that I couldn't help_______ it.

to eat；to try

eating；trying

eating；to try

to eat； trying

Bob thought he couldn't go to the party because he had to write a report, but he went ___________.

at first

after all

above all

at random

I can't find my purse. I___________ it in the supermarket yesterday, but I'm not sure.

should leave

must have left

might leave

could have left

The gold medal will be awarded to ___________ wins the first place in the bicycler.

whomever

wherever

whoever

whatever