Câu hỏi: Are you going to attend Dr Barker’s ______ on “Brain Electronics” tomorrow?

A. conference

B.  lecture

C. meeting

D. discussion

Câu 1: One of the tigers has got ______ . Warn everyone of the danger!

A. lose

B. loose

C. loosened

D. lost

Câu 2: I’m sorry but what he thinks is not of the _____ importance to me.

A. merest

B. lowest 

C. worst

D. least

Câu 3:  The guide is ______ a line of tourists through the uarrow passage with the help of his torch.

A. conducting

B. bringing

C. leading

D. guiding

Câu 4: You should have your eyes tested every year in case the _____ of your spectacles need changing.

A. glasses

B. panes

C. lenses

D. prisms

Câu 5:  If you want to telephone him you will have to ______ the number in the book.

A. look at

B. look through

C. look up

D. look after

Câu 6: The police must now ______ escaped convict in the surrounding counties.

A. search

B. look for

C. look after

D. investigate