--- Do you think we can get there on time?
--- Yes, ____________ the car doesn’t break down.
| A．even if | B．unless | C．until | D．as long as |
．He is always ready to help others, seldom, ______, refusing them when they turn to him．
| A．if never | B．if ever | C．if any | D．if not |
---Excuse me．Can you spare me a few minutes? ---______．
| A．What’s on? | B．What’s up? | C．What’s more? | D．What is it? |
Living in such a high mountain _________be cold．
| A．should | B．can | C．may | D．must |
－Is there any possibility ______ you could pick me up at the airport?
－No problem．
| A．when | B．that | C．whether | D．what |
The next train at platform 2 will be the 9:19 to Edinburgh．
| A．to arrive | B．having arrived | C．arriving | D．to be arriving |