№1. Поставьте предложения в вопросительную и отрицательную формы:
1. Computer making industry is developing rapidly.
2. Many companies often operate a bonus system for monthly and weekly-paid staff.
3. Without surplus goods, there were no profits or saving in the 18th century.

№2. Прочитайте предложения (1-4) и вставьте в пропуски словосочетания(a-d):
a) attends b) went c) has been d) are helping
1. Three temporary employees -------- out this month.
2. Mister Brown never ------- a meeting. He always sends me.
3. Sarah --------to the trade fair on Thursday .
4. Your advice ------- always ------ extremely helpful.

№3.Раскройте скобки, употребляя сравнительную степень прилагательных. Переведите предложения на русский язык
1. Variable costs can rise at a much (slow) rate than production.
2. In some market structures, companies have (much) control over price.
3. If one company has a (large) share than any other, it can affect price.

№4. Вставьте в пропуски (1-4) предлоги (a-d):   a) for b) at c) in d) with      
 1.He travelled to Japan ------- 2001.      
2.They haven”t been very successful ------ the past ten days.
3.She”s never worked ------ a difficult person before.
4.When she travels all day, she can”t sleep----- night.

ну номер один я не оч уверена но просто вместо  is сделай isnot номер 2 после словы  companies  поставь слова donot  а в 3 предложении и так отрецание 2 задание  1)а 2)с 3)b 4)с и d 3 задание 1 slower 2 more 3 larger             4 задание 1) с 2) b 3)d 4)а