It is necessary _____ something to protect our environment.
| A．do | B．to do | C．does | D．doing |
—I’d like you to tell me something about Shen Nongjia.
—I’m sorry, but neither Jack nor I ____ there.
| A．have been | B．had been | C．have gone | D．has gone |
—Do you know who took the students to the old people’s home, Tony?
—Well, Mr. Smith _______.
| A．took | B．does | C．did | D．do |
—Look at these stamps. I them for five years.
—Wow, they are wonderful.
A. kept B. have kept C. have bought
—What did you do last night?
—I _________TV and read books.
A. watch B. watched C. have watched
—Why are you worried?
—I’m expecting a call from my daughter. She New for three days.
| A．has gone to | B．has been to | C．has been in | D．has come in |