You can never imagine what great difficulty I had __________ the poor boy who was trapped in the earthquake.
| A．helping |
| B．to help |
| C．help |
| D．helped |
If you work hard and finish it this week, you _______ have Monday free next week.
| A．shall | B．will | C．would | D．should |
The belief is generally held _______ communication skill is a must nowadays in hunting for a job.
| A．what | B．as | C．which | D．that |
He _______ in a university for five years, but now he runs a company of his own.
| A．has taught | B．had taught | C．taught | D．has been teaching |
Since you are here already, you _______ as well stay here and enjoy yourself.
| A．can | B．may | C．should | D．must |
–I tried many times, but I still failed in the experiment.
--Don’t be discouraged. _______ and the problem will be settled.
| A．Having a little effort | B．There is a little effort |
| C．If you have a bit effort | D．A bit more effort |