固定搭配。
空格所缺的词与上下文某一词相关联，形成固定搭配，或属于主语与谓语动词、动词与宾语之间的横向组合关系。如下题中的空格3、5、6、7和8：
Many people buy suitcases t0 carry1when they go abroad2and never take the trouble to find out whether they will be3to surviVe the journey.4case you buyand obViOUSIy5you pay for it the better it is likelv to beyou should be careful6 too much into it.A 10t 0f passengers7and then the locks break.Sone people think manufacturers should say how mach8.But he manufacturers say it depends9the quality of the case.A cheap case，10has been badly made，wiⅡ 0bviously not last as long as an expensive one.
1.A.his luggages B.his luggage
C.their luggages D.their luggage
2.A.in holidav B.on holidav
C.in holidays D.0n holid.dys
3.A.so strong B.enough strong
C.strong enough D.too stmng
4.A.However B.Wherever
C.Whatever D.Which
5.A.the more B.the most
C.how much D.how many
6.A.for not packing B.so as t0 not pack
C.not to pack D.in order to not pack
7.A.do so B.do SUCh
C.make this D.make that
8.A.can carry the case B.the case can carry
C.can bear the case D.the case can bear
9.A.for B.with
C.in D.on
10.A.what B.which
C.it D.when
(参考答案：1.D，2.B，3.C，4.C，5.A，6.C，7.A，8.B，9.D，10.B。)