Weather _________, we’ll go shopping.

Many strange new means of transport have been developed in our century, the strangest of _____ being perhaps the hovercraft(气垫船).

The country has already sent up three unmanned spacecraft, the most recent__at the end of last March.

 _____________ on the portrait, mother was deep in thought.

Every year，nearly 270 million pounds of grapes arrive in California，most of them _______ from Chile to the Port of Los Angeles.