She often shares her deepest thoughts and fears with friends through QQ, as if they ________ chatting in her living room.
| A．were | B．are |
| C．had been | D．has been |
Though ______ _money, his parents managed to send him to a key university.
| A．lacked | B．lacking of | C．lacking | D．lacked in |
In time of serious accidents, ________ we know some basic things about first aid, we can save lives.
| A．whether | B．until | C．if | D．unless |
The parents suggested ________ in the hotel room but their kids were anxious to camp out during the trip.
| A．sleep | B．to sleep | C．sleeping | D．having slept |
________ by the beautiful scenery of the West Lake, the foreigners decided to spend another two days in Hangzhou.
| A．Attracting | B．Attracted | C．To be attracted | D．Having attracted |
Our food supply ________. We'd better get some in case there's none left.
| A．is running out | B．has run out of |
| C．is using up | D．has used up |