We won’t start the work until all the preparations __________.
| A．are being made | B．will be made |
| C．have been made | D．had been made |
Located_________the Belt meets the Road, Jiangsu will contribute more to the Belt and Road construction.
| A． |
why |
B． |
when |
C． |
which |
D． |
where |
__________not for the support of the teachers,the student could not overcome her difficulty.
| A． |
It were |
B． |
Were it |
C． |
It was |
D． |
Was it |
Many Chinese brands, __________their reputations over centuries,are facing new challenges from the modern market.
| A． |
having developed |
B． |
being developed |
C． |
developed |
D． |
developing |
Many people who live along the coast make a living _______ fishing industry.
| A． |
at |
B． |
in |
C． |
on |
D． |
by |
If the new safety system _______ to use, the accident would never have happened.
| A． |
had been put |
B． |
were put |
C． |
should be put |
D． |
would be put |