Bruce，please return my history book as soon as you can．（ ）
| A． |
turn back |
B． |
give back |
C． |
go back |
D． |
come back． |
What did your teacher say to you just now？
He asked me ．（ ）
| A． |
how could I deal with it |
| B． |
when did I go to the library |
| C． |
why I am late for school today |
| D． |
if I would take part in the next sports meeting |
The book was so interesting that he had read it for three hours ______ he realized it．（ ）
| A． |
before |
B． |
after |
C． |
until |
D． |
since |
The Monkey King can make 72changes to his shape and size， ______ himself into different animals and objects．（ ）
| A． |
turned |
B． |
to turn |
C． |
turning |
D． |
turn |
One great thing about Singapore， unlike most other Asian countries， ______ that the temperature is almost the same all year round．（ ）
| A． |
are |
B． |
is |
C． |
was |
D． |
were |
Children ______ to read and count in the countryside since the mid ﹣ 20th century．（ ）
| A． |
learned |
B． |
learn |
| C． |
are learning |
D． |
have learned |