A/An ______is a formal decision about future action made by two people，groups，etc． A: A．agreement B: B．opportunity C: C．difficulty

________, we won’t lose heart. A: No matter the difficulty may be B: However the difficulty may be C: However great the difficulty may be D: However may be the difficulty

There is finding his office. It's just next to the elevator. A: some difficulty B: no difficulty C: much difficulty D: many difficulties

Dyspnea is ( ). A: difficulty digesting food B: difficulty breathing C: painful activity D: worsening pain

There will be no difficulty in the world that they cannot _____.

They promised to develop a software package by the end of this year, ________ they might have. A: however difficult B: how difficult C: whatever difficulty D: what difficulty

It is easy to pay lip-service to the idea of equality for women, but in practice this is often ______. A: difficult to achieve it B: difficulty achieved C: difficult to achieve D: difficulty achieving

Cultural gap determines the difficulty in translation.

The main difficulty with teaching is the large _____ of work.

_________try to handle a difficulty in the correct way