Many stars are so far away from us that we can't see them．

A．离开

B．遥远

C．走远了

Make sure that it is straight．

A．查明、弄清楚

B．相信

C．有信心

They stopped the children from playing near the river．

A．拦住玩的孩子

B．让孩子玩

C．阻止孩子玩

The work is more or less finished．

A．不多不少

B．差不多

C．不久

The ground must be just right-neither too wet nor too dry．

A．正好合适

B．就在右边

C．刚好正确

Your daughter is badly ill．You must ________ and take her to the hospital at once．

A．stop working

B．stop to work

C．to stop working

D．stop from working

You can ________ my dictionary，but you mustn't ________ it to others．

A．lend，lend

B．borrow，borrow

C．lend，borrow

D．borrow，lend

When you are in trouble，you must ________ help．

A．ask to

B．ask

C．ask about

D．ask for

________ of my parents ________ a doctor．

A．Neither，are

B．Both，is

C．Neither，is

D．All，are

________ the computer，people can work much faster than before．

A．Thanks to

B．Thanks for

C．Because

D．As a result