（全国II 20）. Mr. Black is very happy because the clothes made in his factory have never been .
| A．popular | B．more popular | C．most popular | D．the most popular |
Nowadays we need to learn_____law so as not to break_____ law.
A the, ∕ B a, the C a, ∕ D∕ , the
It was ____surprise that my first teacher, already 90, was still living and in _____ good health.
A the, a B ∕, a C a, ∕ D a, the
. _____ number of students in each class is on_____ decrease.
A The, a B The, the C A, the D A, a
– Really? Who will give_____ lecture? What is it about?
--- Professor Chen,_____ president of Beijing University. About pollution.
A the, a B the, ∕ C a, the D a, ∕
If he comes early than____ appointed time, so much____ better.
A a, the B the, a C a, a D the, the