شرکت در آزمون آنلاین انگلیسی 3 - انگلیسی 3 | آزمون شماره 12083

The police have promised that they would ......... no effort to find out who had killed the man.

Now that their business is strong enough, they plan to .................... their store by adding another room.

Germany finally closes down the nuclear reactors, which are … as dangerously out-of-date, and is going to build new environmentally safe ones.