I haven’t finished my work ________.
| A．already | B．just | C．ever | D．yet |
—How do you like Beijing, Miss Read?
—I’ve no idea. I _____ there.
| A．have gone | B．have been |
| C．haven’t been | D．haven’t gone |
_____ 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 |