--- It is weeks since he ___.
---So it is. We’d better ask some one else to help us.
| A．fell ill | B．was ill | C．is ill | D．has been ill |
.
The report shows that global climate change__________the drought in Southwest of China but ______ we need to make greater efforts.
| A．accounts for; that | B．due to; whether | C．brings in; what | D．comes up; why |
.
This old computer must have been of great use to ____________ did the scientific research.
| A．those | B．when | C．whoever | D．whomever |
.
.It was _______ he said that _______ me feeling frustrated.
| A．that; protects, from | B．what ; prevented, from |
| C．what ; reminded, of | D．that ; stops, from |
.
__________I am amazed at is__________she wants to find fault with others all the time.
| A．What; why | B．Which; how | C．That; why | D．What; because |
.
—Is it OK if I have another cup of coffee?
—Of course, _______.
| A．no problem | B．don’t worry | C．no hurry | D．help yourself |