. ---When did Miss Wang leave the office
----She left ____you turn bake to write on the blackboard
Athe minute B. a time C. until D. Unless
—Mr. Gordon asked me to remind you of the meeting this afternoon. Don't you forget it?
—OK, I ________.
| A．won't | B．don't | C．will | D．do |
We want to encourage students to ________ the running of the college.
| A．join | B．attend | C．participate in | D．participate |
We didn't know you were in trouble at that time, ________ we would have given you a hand.
| A．therefore | B．however |
| C．otherwise | D．though |
______ surprised the family most was ________ the girl played basketball very well.
| A．That; that | B．That; what | C．What; that | D．What; what |
_______ in the jungle, the explorer had little hope to find his way out.
| A．Leaving | B．To be left |
| C．Having left | D．Having been left |