The telephone____by Alexander Graham Bell in 1876.A.is inventedB. was inventedC. were invented
She stopped ______ and then ______ with us.A. writing; talkedB. to write; talkC. writing; talks
-- Which is your new neighbor, Liu Hua?-- The man ______ T-shirt is red.A. that B. whose C. which
I prefer ______ to .A. reading; watching TVB. read; watch TVC. to read; to watch TV
I find ______ difficult to finish the work all by myself.A. it B. that C. this
______ students in the classroom twenty. The others_____in the library.A. The number of; isB. A number of; are C. The number of; are