The singer, together with some of her fans, _____a song on the stage.
| A．sing | B．sang | C．is singing | D．are singing |
He'll never say a word about it ___ you have explained it to him.
| A．once | B．before | C．on order that | D．so that |
He hasn’t decided which hotel ___. Nor have I .
| A．to stay | B．for staying | C．to stay in | D．for staying in |
---How do you ___ the picnic? ---It's wonderful.
| A．think | B．think about | C．like | D．like about |
Is there enough time ___ now? Yes, take it easy.
| A．leaving | B．being left | C．left | D．having been left |
I ___ get on the bus when I heard someone calling me from behind.’
| A．was to | B．was going to | C．would | D．was about to |