He didn not go by bike with me.That is ______there was something wrong with his bike.A,why B,how C,because D,Whether
Joy and Sorrow _____ next-door neighbours.
Ten minutes ______ a long time for one who waits.
E-mail, as well as telephones, ________ an important part in daily communication.
_____ you ready?
“Tom graduated from college at a very young age.” “He ______ have been an outstanding student.” a. must b. could c. should d. might