Fill in each blank with the correct form of the verb in brackets. Then practise the exchanges with your partner.

Example:

A: What should we do to keep our house clean?

B: I suggest (buy) buying a robotic vacuum cleaner.

1.

A: What should we do to create three dimensional objects?

B: I recommend (use) _______ a 3D printer.

2.

A: What should we do to prevent global warming?

B: I suggest we should (reduce) _______ exhaust fumes.

3.

A: What should we do if we want to communicate with others on the move?

B: I advise (use) _______ a smartphone.

4.

A: What should we do to protect and preserve our national parks?

B: I advise that we should (limit) _______ the number of visitors every day.

5.

A: What should we do to improve our health?

B: I recommend (eat) _______ more fruits and vegetables.