In our school library there _____a number of books on science, and in these years the number of them ____growing larger and larger.
| A．are; is | B．is; are |
| C．have; are | D．has; is |
–The weather is very cold these days. –.
A. So do I B. So is itC. So it is
There is no _____ that phones play an important role in the modern life.
A.question B. doubt C. problem
There ______ more new buildings in my hometown in two years .
A. are B. will haveC. will be
The little boy is healthy, _____ he is happy, too.
A.and B. but C.or
The meeting for two hours.
A. has begun B. has been onC. began