Seeing her father, the little girl ran to him, her schoolbag_________________behind her.
| A．flying | B．flew | C．to fly | D．was flying |
Bicycling is good exercise; _______, it does not pollute the air.
| A．nevertheless | B．besides | C．otherwise | D．therefore |
Time,correctly, is money in the bank.
| A． | to use | B． | used | C． | using | D． | use |
Don’t worry. The hard work that you do now ______later in life.
| A．will be repaid | B．was being repaid |
| C．has been repaid | D．was repaid |
We’ve had a good start, but next, more work needs _____to achieve the final success.
| A．being done | B．do | C．to be done | D．to do |
Don't handle the vase as if it ______ made of steel.
| A．is | B．were | C．has been | D．had been |