The police need some more evidence ________they can make a conclusion.
| A．since | B．before | C．after | D．until |
___ of us has a bike.
| A．No of | B．None of | C．Not of | D．Not |
When you are in the lab, you should ___ teachera’ instuctions.
| A．follow | B．give | C．receive | D．listen |
All people,they are old or young，rich or poor，have been trying their best to help those in need since the disaster
A even if B whether C no matterD however
Love is just a wordsomeone ecomes along and gives it meaning.
A．if B．until C after D when
—They don’t have much in their house yet．
一they’planning to live here only until Bob gets his degree，they don’t want to buy much furniture．
A．Since B While C Although D Aslong as