I expected Mark ________his talents in the competition, but he didn’t appear.
| A．showing | B．to show |
| C．choosing | D．to choose |
_____ the Great Green Wall, the land produces (生产出) more crops.
| A．Thanks for | B．Thanks to |
| C．Thank to | D．Thank for |
—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 |