Which of the following sentence is right?
I wonder _________.
| A．who broke the window | B．whose pen is this? |
| C．which room I will live | D．what’s the population of China |
—Where are Maria and Kangkang?
—They _____ England.
| A．have been to | B．are away |
| C．have gone to | D．had been in |
—Do you know ______ ?
—Sorry. I don't have a watch.
| A．whose watch is this | B．whose watch this is |
| C．what time is it | D．what time it is |
Mother is the person ______ is always there for you.
| A．who | B．which | C．whom | D．whose |
—Hey, Molly. You ______ on the phone just now.
—Oh, I was in the library.
| A．wanted | B．are wanted |
| C．were wanted | D．have wanted |
—Do you think the rain will stop tomorrow ?
—I hope so. It ______ for three days. It's too bad.
| A．rained | B．has rained |
| C．had rained | D．rains |