You were _______ to take your shoes off when you entered the school lab, but you didn’t.
| A．invited | B．supposed | C．selected | D．approved |
_____ is a good form of exercise for both young and old.
| A．Walk | B．Walking |
| C．The walk | D．To walk |
You ______ television. Why not do something more active？
| A．always watch | B．are always watching |
| C．have always watched | D．have always been watching |
“May I take your order now?” “We’d like three black _______ and two green _______.”
| A．coffee, cups of teas | B．coffees, teas |
| C．cups of coffee, tea | D．cup of coffees, teas |
. “I thought you might have got drunk.” “Yes, I ______.”
| A．almost have | B．almost had |
| C．almost did | D．might have |
Those black clouds are a sure _____ that it’s going to rain.
| A．thing | B．mark |
| C．sign | D．one |