Anyone, once____ positive for Ebola, the deadly disease, will receive free medical treatment from the government.
| A．testing | B．being tested |
| C．tested | D．to test |
The bike hit the tree ______ I could get off.
A when B before C until D while
That evening ____Smiths sat before a bright fire and had___nice supper.
| A．X,a | B．the ,a | C．X,X | D．the,X |
. If only you _______ there with me yesterday !
| A．are | B．were | C．had been | D．be |
. The organization’s _____ are to provide food for homeless people and help them find somewhere to live.
| A．aims | B．rules | C．suggestions | D．profits |
You should be more careful, _______ you might meet with some accident.
| A．meanwhile | B．otherwise | C．although | D．however |