By that time we ….. already … our plans.
had changed b) changed c) were changed
No explanation ….. to him why the experiment had been stopped.
are given b) is given c) was given
Nothing can be ….. than motoring across the green fields in early spring.
more beautiful b) beautiful c) most beautiful
Can you come to see me ….. Sunday?
by b) at c) on
In this lesson special attention ….. to translation of passive constructions.
were paid b) is paid c) are paid
The physical laboratory of this Institute has ….. apparatuses for the experiments.
well b) the best c) better
There are ….. factories to be rebuilt in this region.
anyone b) any c) some
He returned to the little town where his childhood ….. .
had been spent b) has been spent c) have been spent
It was clear that no person ….. do this work alone.
can b) could c) may
Safety ….. always one of the main concerns of transport.
is b) are c)am