Questions 17-20 are based on the following dialogue. You now have 20 seconds to read Questions 17-20. What day of the week is it

A．Because they had very little chance to hear authentic English before.
B．Because they have a limited vocabulary.
C．Because they find it hard to pronounce English words correctly.
D．Because they are especially weak in listening and speakin

A．Problems in learning English.
B．Some of the problems that face learners of English.
C．Foreign students’ problems in Britain.
D．Language problems that face foreign students in Britain.