.
No matter how great the difficulty is, it can’t _____the experts from finishing the project on time.
A.hold back | B.hold up | C.hold out | D.hold on |
After graduation she reached a point in her career __________ she had to decide what to do.
A.that | B.what |
C.which | D.where |
Edward, you play so well. But I ________ you played the piano.
A.didn’t know | B.hadn’t known |
C.don’t know | D.haven’t known |
Not until I began to work ________ how much time I had wasted.
A.didn’t I realize | B.did I realize |
C.I didn’t realize | D.I realize |
Little ________ about his own safety, though he was in great danger himself.
A.does he care | B.did he care |
C.he cares | D.he cared |
Not a single song ________ at yesterday’s party.
A.she sang | B.sang she |
C.did she sing | D.she did sing |