In our class, when the bell rang and the teacher closed his book, it was a ______ for everyone to stand up.
| A．signal | B．chance | C．mark | D．measure |
The course about Chinese food attracts over 100 students per year, ________ up to half are from overseas.
| A．in which | B．for whom | C．with which | D．of whom |
The tour pal lost his way in the mountain; ________ made things worse was that it began to rain.
| A．that | B．what | C．which | D．who |
— How do you think of my composition?
— Almost perfect ________ one spelling mistake.
| A．but | B．except | C．except for | D．besides |
— What shall we do tonight then?
— ________， whatever you want.
| A．Help yourself | B．It's a deal | C．No problem | D．It's up to you |
— Can I have an apple, Uncle Pal?
— ________. An apple a day keeps the doctor away.
| A．It doesn't matter | B．It's a deal | C．You're welcome | D．Help yourself |