Tom’s English is not good, so he devoted all his free time to __________ it.
| A．studying | B．study |
| C．studied | D．studies |
The study suggests that the cultures we grow up _______influence the basic processes by which we see world around us．（ ）
| A． |
on |
B． |
in |
C． |
at |
D． |
about |
That young man is honest，cooperative，always there when you need his help．______，he's reliable．（ ）
| A． |
Or else |
B． |
In short |
| C． |
By the way |
D． |
For one thing |
_______online shopping has changed our life，not all of its effects have been positive．（ ）
| A． |
Since |
B． |
After |
C． |
While |
D． |
Unless |
It is important to pay your electricity bill on time，as late payments may affect your ______．（ ）
| A． |
condition |
B． |
income |
C． |
credit |
D． |
status |
In many ways，the education system in the US is not very different from ____in the UK．（ ）
| A． |
that |
B． |
this |
C． |
one |
D． |
it |