．The party, which had been greatly _____, was spoiled by the rude behavior of an uninvited guest.
| A．looked forward to | B．looked up to |
| C．look into | D．called for |
To maintain a nice relationship, both sides are advised to focus on _________ they have in common.
| A．what | B．that | C．which | D．whom |
After the disaster, the first thing the local government did was to provide _____for the homeless families.
| A．occupation | B．accommodation | C．equipment | D．furniture |
Most scientists seem to agree that ______ certain limit should be set on _______ consumption of cars to ease air pollution.
| A．a; the | B．/; the | C．the; / | D．the; the |
Helen devoted herself ________to her research and became a top scientist in the field of applied physics．
| A．seriously | B．extremely | C．entirely | D．strictly |
Vitamin D helps our bodies make a special chemical，and this special chemical, ______
affects our brains，making us feel happy．
| A．in turn | B．in particular | C．in advance | D．in short |