.______two articles to write today,I have to stay at the classroom to make it.
A.With |
B.For |
C.Because of |
D.As for |
----_____is it that is troubling Mary ?
----Working out the maths problem..
A.What |
B.How |
C.Why |
D.Which |
I wonder how long it will take you_____ such a hard task within so little time.
A.complete |
B.to complete |
C.completing |
D.completed |
Tom was absent from school this morning, because sometimes he was a little weak and could ______ill .
A.take |
B.set |
C.catch |
D.fall |
. Will you pass me the dictionary _____ the cover is dark blue?
A.its |
B.which |
C.whose |
D.of which |
_____the girl could rush out of the house, the roof fell upon her.
A.When |
B.While |
C.Before |
D.As |