What a pleasant surprise to see you here! I _______ you _______ Beijing.
––Me too. But I _______ there next Friday.
A. think; have gone to; am going
B. thought; had gone to; will go
C. thought; had been to; will go
D. think; have been to; am going
—Shall we stop for lunch _______ shall we drive on?
—Let’s stop for lunch, but the driver can’t drink _______ drive.
A. and; and B. or; and
C. or; or D. and; or
Guilin is ___ attractive city. It’s ____ nice place that many tourists go there every year.
A. an; so a B. a; a so C. a; a such D. an; such a
_______, when Marx was already _______, he found it was important to study the situation in Russia, so he began to learn Russian.
A. In 1870s, in his fifties
B. In 1870s, in fifties
C. In the 1870s, in fifties
D. In the 1870s, in his fifties
---Where is Linda? I can’t find her anywhere. ---She ______ the flowers in the garden.
A. waters B. is watering
C. watered D. has watered
If we ______ take environmental problems seriously, the earth _______ worse and worse.
A．don’t; will be B．won’t; isn’t
C．won’t; is D．don’t; won’t be
