An awful accident____________, however, occur the other day.
| A．does | B．did | C．has to | D．had to |
What difficulty will you have ____ people when you stay in a foreign country?
| A．understand | B．understanding | C．to understand | D．understood |
_____ I always felt I would pass this monthly exam, I never thought I would get an A.
A. While B. Once C. As D. Because
The doctor will see you again next week. ____, you must rest as much as possible.
| A．Moreover | B．However | C．Meanwhile | D．Otherwise |
If the weather had been better, we could have had a football match. Bit it ____ all day.
| A．rained | B．rains | C．has rained | D．had rained |
I’m sorry, madam, those shoes are only ____ in small sizes. You can come again the day after tomorrow.
| A．available | B．renewable | C．satisfying | D．acceptable |