TX4 HKII - 20%

(1)

• have volunteers print

• have volunteers printed

• have volunteers to print

• had volunteers printing

(2)

• are

• were

• will be

• have been

(3)

• so carefully that

• so careful that

• such carefully that

• too carefully that

(4)

• cut down on

• get on with

• live up to

• look forward to

(5)

• extinction

• pollution

• protection

• conservation

(6)

• as

• than

• like

• so