________the course very difficult，she decided to move to a lower level.
| A．Find | B．Finding |
| C．To find | D．Found |
The course normally attracts 20 students per year, ____ up to half will be from overseas.
| A．in which | B．of whom | C．of which | D．for whom |
----How could I apply for a course online?
----Just fill in this form and we _____ what we can do for you.
| A．see | B．are seeing | C．have seen | D．will see |
---- ? You look really down.
---- I’m so tired of my job. There are endless problems to deal with.
| A．Why bother | B．So what | C．What’s up | D．Why not |
Tony ____ the invitation, otherwise he would have attended your birthday party.
| A．couldn’t have received | B．mustn’t have received |
| C．needn’t have received | D．shouldn’t have received |
The teacher’s encouragement doesn’t ______ mean your progress, so you should try your best as well.
| A．necessarily | B．directly | C．formally | D．hopefully |