His heart beats fast ______ he hears her voice.
| A．as though | B．now that |
| C．even though | D．every time |
The parents as well as the baby ______ in high spirits.
| A．are | B．is | C．has been | D．have got |
. Both bread and butter ______ on sale in this shop.
| A．is | B．are | C．have | D．has |
The police ______ for the lost child everywhere.
| A．is looking | B．has looked | C．are looking | D．are looked |
A group of children ______ hide and seek in the garden.
| A．is playing | B．are playing | C．has been playing | D．was playing |
Two kilograms ______ too heavy for a sick man.
| A．is | B．are | C．was | D．were |