A£®We will go fishing if it___________(not be) rainy tomorrow.

B£®Please pay attention to ___________(spell) the word correctly.

C£®The police ___________(search) this area for the robbers at that time yesterday.

D£®Keep on trying and you __________(have) a better result.

E£®*The children should ___________(show) how to use the library on computers.

F£®What ___________(happen) to the forest in China in the last 10 years?

G£®________the bridge over the river_________(build) in the 1940s?

H£®Kate likes telling jokes and she always seems ___________(be) very lucky.

I£®My son is used to ___________(practise) playing the violin for 2 hours a day.

J£®——Don’t park here. ——Sorry, I __________(not see) the sign.

K£®John is busy ____________£¨explain£©to others how UNICEF __________(work) to help poor children around the world.