Last term he had problems________math．
A．to learn
B．learn
C．to learning
D．learning
It’s said that________of the water around the world polluted．
A．two third；has
B．two thirds；have
C．two third；are
D．two thirds；is
Have you ever seen the advertisement：Learn a foreign language in six weeks，________give your money back？Of course，it________happens quite like that．The only language________to learn is the mother language．And think________practice is needed for that．Before the Second World War people usually learned a foreign language________the literature(文学)of the country．Now most people want to________a foreign language．Every year millions of people start learning________．
How do they do it？Some people try at home________books and tapes；others go to evening classes or watch TV programs．________they use the language only 2 or 3 times a week，learning it will______a long time，like language learning at school．A few people try to learn a language fast by studying for 6 or______hours a day．It’s much easier to learn the language in the country where it______．But most people are______to do this，and many people don’t have to do so．Machines and good books will be very______，but they can not do the students’work．______the language is learned quickly or slowly，it is hard work．
1.A．so B．or C．and D．but
2.A．can’t B．impossible C．never D．often
3.A．easily B．difficult C．able D．easy
4.A．how much B．how long C．how fast D．how many
5.A．studied B．to study C．studying D．study
6.A．talk B．tell C．speak D．say
7.A．them B．this C．that D．it
8.A．without B．with C．in D．by
9.A．If B．When C．Since D．Until
10.A．spend B．use C．take D．cost
11.A．some B．more C．other D．less
12.A．speaks B．is speaking C．spoke D．is spoken
13.A．able B．possible C．unable D．not possible
14.A．careful B．forgetful C．wonderful D．helpful
15.A．Either B．Whether C．What D．How
She________speak English and Japanese soon．
A．will be able to
B．will can
C．is able to will
D．can will
She shows how________a perfect cup of tea．
A．making
B．to making
C．make
D．to make
The________place that I________before is the Great Wall．
A．most interesting；went
B．interested；have been
C．most interesting；have gone to
D．most interesting；have been to
