He had his camera ready________he saw something that he would make a good picture.
A even if B if only C in case D so that
He asked me__________with me.
| A．what the matter is | B．what the matter was |
| C．what is the matter | D．what was the matter |
It is time for class. Will you please get the blackboard__________?
| A．to clean | B．cleaning | C．cleaned | D．having cleaned |
This is the biggest lab__________we have ever built in our university.
| A．which | B．what | C．that | D．Where |
He is__________as a leader but he hasn’t__________in teaching.
| A．success; many experiences | B．a success; much experience |
| C．great success; an experience | D．a great success; any experiences |
Only by practising constantly__________ greater progress.
| A．we can make | B．then we will make |
| C．can we make | D．we must make |