We all know the truth there are air, water and sunlight there are living things．
| A．where | B．wherever | C．that | D．that wherever |
My friend showed me round the town，was very kind of him.
| A． | which | B． | that | C． | where | D． | it |
I can’t leave. She told me that I_____ stay here until she comes back.
| A．can | B．must | C．will | D．may |
-- Do you mind my opening the window? It's a bit hot in here.
--，as a matter of fact.
| A． | Go ahead | B． | Yes， my pleasure |
| C． | Yes， I do | D． | Come on |
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 |
They use computers to keep the traffic _____ smoothly.
| A．being run | B．run | C．to run | D．running |