The branches could hardly _____ the weight of the fruit.
| A．retain | B．maintain | C．sustain | D．remain |
—Where did you English ?
—When I was in college .
| A．pick up | B．take up | C．turn up | D．put up |
She was surprised to find the fridge empty ; the child everything .
| A．had been eating | B．had eaten | C．have eaten | D．have been eating |
travel can broaden your mind , I don’t think it’s a good idea to spend too much time and money on it .
| A．If | B．While | C．Because | D．As |
In the near future, more advances in the robot technology by scientists .
| A．are making | B．are made | C．will make | D．will be made |
A teacher and writer coming to give a talk tomorrow afternoon .
| A．was | B．were | C．is | D．are |