With the rise of modern communication tools, handwritten letters ______ by emails.
A．will replace B．have replaced C．are replaced D．are being replaced
---Have you seen Jane this week?
---No, but I ________ her call on my way to work this morning.
A．received B．have received C．had received D．was receiving
______ well, you need to have a good sense of balance.
A．Danced B．To dance C．Dance D．Dancing
I ________ be a little bit slow, but at least I don’t make stupid mistakes.
A．should B．may C．must D．need
The two runners are neck and neck; _______ of them could win the race.
A．either B．neither C．all D．none
I usually have ________ hamburger while waiting for ________7: 00 school bus.
A．the; a B．不填; the C．a; the D．不填; a
