Choose the best alternative for the phrasal verbs given

leave out

• omit

• depart

• forget

look into

• explain

• research

• observe

pass on

• succeed

• continue

• transmit

pick up

• collect

• resume

• deliver

point out

• show

• share

• highlight

cut down on

• reduce

• limit

• halve

set up

• operate

• make

• organise

carry on

• support

• continue

• bring

get worse

• improve

• deteriorate

• fail

go up and down

• fluctuate

• change

• vary