Вставить a/an/the
10)
Tom and
his brother have got
good teachers,

a good teachers

Объяснение:

Если слово начинается с согласной буквы ставиться "а"

г-согласная

1. they want (to be taken) to the concert by their father.2 . i am glad (to have done) all the homework yesterday.3 . this plant is known (to produce) tractors.4 . he wants his son (to become) a lawyer.5 . the enemy army was reported (to have overthrown) the defense lines and (to be advancing) towards the suburbs of the city.6 . he seems (to know) french very well: he is said (to have spent) his youth in paris.7 . you had better (call) our distributors at once.8 . we are happy (to have been invited) to the party.9 . that firm is reported (to be conducting) negotiations for the purchase of sugar.10 . it seemed (to have been snowing) heavily since early morning: the ground was covered with a deep layer of snow.11 . he didn’t hear me (knock) at the door.12 . i want (to be informed) of her arrival.13 . our sportsmen are proud (to have won) the cup.14 . he is known (to have been working) on the problem for many years.15 . the representative of the firm asked for the documents (to be sent) by air mail.