You _______ here last week if you were really worried about your work.
It is easy to do the repair._________ you need is a hammer and some nails.
—Where is you pencilbox,Tom?—I’ve __________ it for this kite.
I must be getting fat—I can __________ do my trousers up.
I listened to Dr.Wilson’s lecture about the protection of wild animals,but I was unable to grasp its key _________.
—Why did she spend so much time searching shop after shop only for a blouse?—Oh,she was very __________ about her clothes.