Don’t leave the water ________ while you brush your teeth．

A．run

B．running

C．being run

D．to run

Everyone fails now and then．It’s how you react that makes a ________ in life．

A．development

B．difference

C．progress

D．point

New police have promoted the ________ of these areas．

A．developing

B．developed

C．develops

D．development

He’s ________ working in Germany as a representative of a Chinese company．

A．late

B．recent

C．presently

D．likely

－Hi, Joan, I have not seen you for weeks．What ________ recently?

－Carrying on some research on wildlife．

A．have you been doing

B．have you done

C．were you doing

D．did you do

They set out ________ the heavy rain stopped．

A．at once

B．instant

C．immediate

D．as soon as

There went the bell for lunch, he rushed out ________．Which one can’t be used?

A．at instant

B．instantly

C．at once

D．immediately

I ________ him to play tennis yesterday, but he dared not to ________ my challenge．

A．challenge; give

B．accepted; took up

C．challenged; accept

D．have challenged; took up

Mr．Jackon ________ New York ________．

A．is leaving; two weeks away

B．will; leave after two weeks

C．leaves; in two weeks' time

D．has left; for two weeks

When we ________ someone off, we often say,“________ you a safe journey”．

A．see; Wish

B．send; Expect

C．see; Hope

D．send; May