Barbara is easy to recognize as she's the only one of the women whoevening dress.
Thanks to _____ help from his teachers and classmates, he has made _______ rapid progress in his studies.
– Shall we invite Jim and his sister to our party?– ______. They’ll have fun with us, I think.
If penicillin had not been available, many people _____ from sickness or even small wounds.
The Japanese government stubbornly claimed the ownership of Diao Yu Islands belonging to China, ______ greatly hurt the friendship between the two peoples.
– Shall we go out for lunch?– Don’t disturb me. I ______ the letters all morning and ______ six so far.