Tim’s brown hair, dark glasses and the manner of walking alarmed the guards. That’s why he ______ closely.
| A．has watched | B．was watched | C．had watched | D．was watching |
______ part that women _______ in society is great.
| A．The; play | B．A; take | C．A; play | D．The; take |
He arrived here at noon, in the day, and he went out and came back in the day.
| A．late; late | B．late; later | C．later; late | D．later; later |
You are really very kind. I’ll never forget the you have done to me.
| A．favour | B．deed | C．help | D．good |
.A computer is so useful a machine ________ we can use everywhere.
| A．that | B．which | C．as | D．what |
— Why didn’t you come to Mike’s birthday party yesterday?
— Well, I ____, but I forgot it.
| A．should | B．must | C．should have | D．must have |