—Did you call to book a ticket for the concert ?
—Not yet, but I _______ .
| A．should have | B．may | C．ought to | D．shall |
_____ of the good results of the exam, the teacher felt very happy.
| A．informed | B．told |
| C．acknowledged | D．convinced |
It will be a while_____ the real-estate problems _____ are the root cause of the price rises are solved.
| A．since, which | B．after, which |
| C．before, that | D．when, that |
It’s those _____ experience ups and downs with us_____ are real friends.
| A．that, that | B．who, that |
| C．that, which | D．that, who |
You can only get out of something ______ you put into it.
| A．which | B．that | C．what | D．when |
Shanghai authorities have guaranteed the quality of the city’s drinking water _____ more than 7500 rotting pigs ______ floating on the Huangpu River in the past week.
| A．despite of, being founded |
| B．in spite of, being found |
| C．despite, being founded |
| D．though, being found |