This is a private letter Tom． Nobody else can open it．（ ）
A．forB．withC．fromD．about
Excuse me， could you tell me ___________？
Sure． Bus No.4 will take you right there．（ ）
| A． |
how can I get to the zoo |
| B． |
how I can get to the zoo |
| C． |
when can I get to the zoo |
| D． |
when I can get to the zoo |
The Hong Kong﹣Zhuhai﹣Macau Bridge， the world's ______crosss﹣sea bridge， won another international prize in December， 2018．（ ）
| A． |
long |
B． |
longer |
| C． |
longest |
D． |
the longest |
Miss Chen， my dear English teacher， often encourages me ______the challenges in my study．（ ）
| A． |
face |
B． |
faces |
C． |
facing |
D． |
to face |
These machines_____in their factory by themselves last year．（ ）
| A． |
make |
B． |
made |
C． |
are made |
D． |
were made |
Listen! The birds ______ in the trees outside our school．（ ）
| A． |
sing |
B． |
are singing |
| C． |
sang |
D． |
were singing |