元素周期表是一座开放的“元素大厦”,“元素大厦”尚未客满。若发现119号元素,请在“元素大厦”中安排好它的“房间”
| A.第七周期0族 | B.第八周期第ⅠA族 |
| C.第六周期第ⅡA族 | D.第七周期第ⅦA族 |
It’s high time you had your hair cut ; it’s getting _______ . 
| A.too much long | B.much too long ![]() |
C.long too much | D.too long much |
My friend showed me round the town, ______ was very kind of him. 
| A.which | B.that | C.where | D.it |
They use computers to keep the traffic _______ smoothly.
| A.being run | B.run | C.to run | D.running |
If you leave the club, you will not be_____back in .
| A.received | B.admitted | C.turned | D.moved |
What I need is_____ book that contains ______ABC of oil painting.
| A.a; 不填 | B.the; 不填 | C.the; an | D.a ; the |