---Spacecraft “Discovery” has failed in the course of launch.
----_______? They have been preparing for the test.
| A．How come | B．When | C．How | D．Why not |
– 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
Separated from his parents at_____ early age, the left-behind boy in this rural town had ____ very difficult life.
A the, ∕ B an, a C a, the D∕ ,a
Boxing Day is ____ public holiday usually celebrated on 26 December,_____ day after Christmas Day.
A the, the B the, a C a, the D a, a
-- Jane, will you go abroad by______ plane?
--- Yes, so that I will get ____ fast and comfortable journey.
A a, a B the, the C ∕, a D ∕, the