President Obama has two daughters, _____ able to fit in well with their citizens.
| A．both of them are | B．none of them are |
| C．both of whom are | D．neither of who is |
After the long journey, the three of them went back home, ______.
| A．hungry and tiredly | B．hungry and tired |
| C．hungrily and tiredly | D．hungrily and tired |
—Is everyone here?
—Not yet… Look, there ______ the rest of our guests.
| A．come | B．comes |
| C．is coming | D．are coming |
—How many students will attend James’ course?
—I suppose there will be not more than ten, ______, for it is too difficult.
| A．if so | B．if any |
| C．if possible | D．if ever |
Though having lived abroad for years, many Chinese still _____ the traditional customs.
| A．perform | B．possess |
| C．observe | D．support |
Mistakes don’t just happen; they occur for a reason. Find out the reason, and then making the mistake becomes _______.
| A．favourable | B．previous |
| C．essential | D．worthwhile |