Question

Fill in the gaps with simple present passive or simpl past passive verbs :
1)My birthday cake....by my mother(Bake)
2)The internet....by the US military in the 1960s(invent)
3)The parts of this phone....in China , but the phone....in Japan(Make , Assemble)
4)Envelopes....in most stationery stores(Sell)
5)The office....every evening(Vacuum)
6)Homonyms....the same but have different meanings(Pronounce)
7)Three criminals....in the park last night(Arrest)

Answer 1

1) was baked
2) was invented
3) were made/was assembled
4) are sold
5) is vacuumed
6) are pronounced
7) was arrested

Answer 2

1)My birthday cake is baked by my mother.
2)The internet is invented by the US military in the 1960s.
3)The parts of this phone are made in China , but the phone is assembled in Japan.
4)Envelopes are sold in most stationery stores.
5)The office is empty every evening.
6)Homonymsare pronounced the same but have different meanings.
7)Three criminals were arrested in the park last night.