---You seemed to have been impressed by his songs.
---Well, not exactly so. It was his way of singing____ his voice that really impressed me.
| A．rather than | B．as well as | C．but also | D．together with |
A group of children ______ hide and seek in the garden.
| A．is playing | B．are playing | C．has been playing | D．was playing |
All but one ______ here just now.
| A．is | B．was | C．have been | D．were |
The police ______ for the lost child everywhere.
| A．is looking | B．has looked | C．are looking | D．are looked |
Both bread and butter ______ on sale in this shop.
| A．is | B．are | C．have | D．has |
The problem is _____ we can master modern science and technology in a short time.
| A．if | B．that | C．what | D．how |