—I plan to pay a visit to Peter this Sunday. —I agree. You know, he ________come to see us on Sundays when we were in USA.. A. might B. would C. should D. could
It rained heavily in the south,________ serious flooding in several provinces.
Bring the plants into a warm room _____ they will soon open.
When I got home, I _____ I had left my wallet in the taxi
The two men are so alike that strangers find _____ difficult to tell one from the other.
As is known to all, _____USA is _____ biggest developed country in the world.