nt years, _____ problem of global warming has been very serious.—That’s right. People are facing ____ number of natural disasters now.

assroom is crowded with children_____have poor eyesight, all of ____ interested in painting.

_______, when Marx was already _______, he found it was important to study the situation in Russia, so he began to learn Russian.

22—-I’ m smy, I didn’ t mean to put you to so much trouble —-__________

You shouldn’t be worried. You have done anexcellent job and are ______to be admitted to the company.