News reports say peace talk between the two countries ________ with no agreement reached．

A．have broken down

B．have broken out

C．have broken in

D．have broken up

Please tell me how the accident ________．I am still in the dark．

A．came by

B．came upon

C．came to

D．came about

We went to Canada to travel and my cousin ________ as our guide．

A．played

B．showed

C．acted

D．performed

The company is starting a new advertising campaign to ________ new customers to its stores．

A．join

B．attract

C．stick

D．transfer

Modern plastics can ________ very high and very low temperatures．

A．stand

B．hold

C．carry

D．support

This picture was taken a long time ago．I wonder if you can ________ my father．

A．find out

B．pick out

C．look out

D．speak out

— Why did you come so late for work?

— I was ________ for 15 minutes on the way here in the traffic jam．

A．held up

B．put up

C．taken up

D．given up

The Danish writer Andersen wrote many fairy tales for children all over the world．but when it ________ his childhood,he was unlucky．

A．deals with

B．talks about

C．refers to

D．comes to

At present the hotel is almost empty,but I'm sure things will start to ________ in the spring．

A．rise up

B．hold on

C．pick up

D．hang out

All experts agree that the most important consideration with diet drugs is carefully ________ the risks and benefits．

A．valuing

B．evaluating

C．weighing

D．supposing