To join the club, you have to ________ buy a minimum of six books a year.
A.undertake B.vote C.postpone D.evolve
When he needs time alone, he ________ to his private space at a nearby art studio to paint.
A.dials B.chokes C.bothers D.withdraws
My way of thinking might be different from yours, but it’s equally ________.
A.eventual B.valid C.abundant D.digital
Drivers should be careful near schools in particular, ________ there are likely to be many children.
A.though B.but C.so D.because
As more people travelled on the underground, the system was ________ and more lines were added.
A.enlarged B.alarmed C.fined D.violated
Search engines search the Internet based on the key words you type in, and choose such web pages for you ________ contain the words you ask for.
A.where B.who C.which D.as